Home / 25,642,024.80-38,463,037.20-7,691,128.80

Finding the Fourth Proportional to 25,642,024.80, 38,463,037.20 and 7,691,128.80

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Solution

The fourth proportional to 25,642,024.80, 38,463,037.20 and 7,691,128.80 is: 11,536,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,024.80 : 38,463,037.20 = 7,691,128.80 : x
  2. Step 2: Convert to fraction form
    25,642,024.80/38,463,037.20 = 7,691,128.80/x
  3. Step 3: Cross multiply
    25,642,024.80x = 38,463,037.20 × 7,691,128.80
  4. Step 4: Simplify right side
    25,642,024.80x = 295,824,173,144,391.38
  5. Step 5: Solve for x
    x = 295,824,173,144,391.38/25,642,024.80
  6. Step 6: Final answer
    x = 11,536,693.20

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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.