Home / 26,129,899.38-39,192,316.41-7,934,254.50

Finding the Fourth Proportional to 26,129,899.38, 39,192,316.41 and 7,934,254.50

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Solution

The fourth proportional to 26,129,899.38, 39,192,316.41 and 7,934,254.50 is: 11,900,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129,899.38 : 39,192,316.41 = 7,934,254.50 : x
  2. Step 2: Convert to fraction form
    26,129,899.38/39,192,316.41 = 7,934,254.50/x
  3. Step 3: Cross multiply
    26,129,899.38x = 39,192,316.41 × 7,934,254.50
  4. Step 4: Simplify right side
    26,129,899.38x = 310,961,812,841,466.31
  5. Step 5: Solve for x
    x = 310,961,812,841,466.31/26,129,899.38
  6. Step 6: Final answer
    x = 11,900,612.72

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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.