Home / 26,073,142.10-39,109,713.15-7,880,145.20

Finding the Fourth Proportional to 26,073,142.10, 39,109,713.15 and 7,880,145.20

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Solution

The fourth proportional to 26,073,142.10, 39,109,713.15 and 7,880,145.20 is: 11,820,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,073,142.10 : 39,109,713.15 = 7,880,145.20 : x
  2. Step 2: Convert to fraction form
    26,073,142.10/39,109,713.15 = 7,880,145.20/x
  3. Step 3: Cross multiply
    26,073,142.10x = 39,109,713.15 × 7,880,145.20
  4. Step 4: Simplify right side
    26,073,142.10x = 308,190,218,352,349.38
  5. Step 5: Solve for x
    x = 308,190,218,352,349.38/26,073,142.10
  6. Step 6: Final answer
    x = 11,820,217.80

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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.