Home / 15,391,929.40-23,072,666.10-7,290,665.80

Finding the Fourth Proportional to 15,391,929.40, 23,072,666.10 and 7,290,665.80

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Solution

The fourth proportional to 15,391,929.40, 23,072,666.10 and 7,290,665.80 is: 10,928,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,929.40 : 23,072,666.10 = 7,290,665.80 : x
  2. Step 2: Convert to fraction form
    15,391,929.40/23,072,666.10 = 7,290,665.80/x
  3. Step 3: Cross multiply
    15,391,929.40x = 23,072,666.10 × 7,290,665.80
  4. Step 4: Simplify right side
    15,391,929.40x = 168,215,097,650,089.38
  5. Step 5: Solve for x
    x = 168,215,097,650,089.38/15,391,929.40
  6. Step 6: Final answer
    x = 10,928,785.68

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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.