Home / 10,178,003.35-15,267,005.03-7,148,789.65

Finding the Fourth Proportional to 10,178,003.35, 15,267,005.03 and 7,148,789.65

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Solution

The fourth proportional to 10,178,003.35, 15,267,005.03 and 7,148,789.65 is: 10,723,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,003.35 : 15,267,005.03 = 7,148,789.65 : x
  2. Step 2: Convert to fraction form
    10,178,003.35/15,267,005.03 = 7,148,789.65/x
  3. Step 3: Cross multiply
    10,178,003.35x = 15,267,005.03 × 7,148,789.65
  4. Step 4: Simplify right side
    10,178,003.35x = 109,140,607,509,218
  5. Step 5: Solve for x
    x = 109,140,607,509,218/10,178,003.35
  6. Step 6: Final answer
    x = 10,723,184.48

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Double scale
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Similar ratio
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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.