Home / 28,248,002.40-42,372,003.60-21,870,710.40

Finding the Fourth Proportional to 28,248,002.40, 42,372,003.60 and 21,870,710.40

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Solution

The fourth proportional to 28,248,002.40, 42,372,003.60 and 21,870,710.40 is: 32,806,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,002.40 : 42,372,003.60 = 21,870,710.40 : x
  2. Step 2: Convert to fraction form
    28,248,002.40/42,372,003.60 = 21,870,710.40/x
  3. Step 3: Cross multiply
    28,248,002.40x = 42,372,003.60 × 21,870,710.40
  4. Step 4: Simplify right side
    28,248,002.40x = 926,705,819,803,357.38
  5. Step 5: Solve for x
    x = 926,705,819,803,357.38/28,248,002.40
  6. Step 6: Final answer
    x = 32,806,065.60

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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.