Home / 28,248,001.65-42,372,002.48-21,870,709.65

Finding the Fourth Proportional to 28,248,001.65, 42,372,002.48 and 21,870,709.65

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Solution

The fourth proportional to 28,248,001.65, 42,372,002.48 and 21,870,709.65 is: 32,806,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,001.65 : 42,372,002.48 = 21,870,709.65 : x
  2. Step 2: Convert to fraction form
    28,248,001.65/42,372,002.48 = 21,870,709.65/x
  3. Step 3: Cross multiply
    28,248,001.65x = 42,372,002.48 × 21,870,709.65
  4. Step 4: Simplify right side
    28,248,001.65x = 926,705,763,419,806.38
  5. Step 5: Solve for x
    x = 926,705,763,419,806.38/28,248,001.65
  6. Step 6: Final answer
    x = 32,806,064.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.