Home / 15,391,929.90-23,072,666.85-7,290,666.30

Finding the Fourth Proportional to 15,391,929.90, 23,072,666.85 and 7,290,666.30

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Solution

The fourth proportional to 15,391,929.90, 23,072,666.85 and 7,290,666.30 is: 10,928,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,929.90 : 23,072,666.85 = 7,290,666.30 : x
  2. Step 2: Convert to fraction form
    15,391,929.90/23,072,666.85 = 7,290,666.30/x
  3. Step 3: Cross multiply
    15,391,929.90x = 23,072,666.85 × 7,290,666.30
  4. Step 4: Simplify right side
    15,391,929.90x = 168,215,114,654,422.16
  5. Step 5: Solve for x
    x = 168,215,114,654,422.16/15,391,929.90
  6. Step 6: Final answer
    x = 10,928,786.43

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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.