Home / 15,391,928.90-23,072,665.35-7,290,665.30

Finding the Fourth Proportional to 15,391,928.90, 23,072,665.35 and 7,290,665.30

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Solution

The fourth proportional to 15,391,928.90, 23,072,665.35 and 7,290,665.30 is: 10,928,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,928.90 : 23,072,665.35 = 7,290,665.30 : x
  2. Step 2: Convert to fraction form
    15,391,928.90/23,072,665.35 = 7,290,665.30/x
  3. Step 3: Cross multiply
    15,391,928.90x = 23,072,665.35 × 7,290,665.30
  4. Step 4: Simplify right side
    15,391,928.90x = 168,215,080,645,757.38
  5. Step 5: Solve for x
    x = 168,215,080,645,757.38/15,391,928.90
  6. Step 6: Final answer
    x = 10,928,784.93

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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.