Home / 12,485,736.48-17,231,715.12-7,053,578.40

Finding the Fourth Proportional to 12,485,736.48, 17,231,715.12 and 7,053,578.40

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Solution

The fourth proportional to 12,485,736.48, 17,231,715.12 and 7,053,578.40 is: 9,734,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,736.48 : 17,231,715.12 = 7,053,578.40 : x
  2. Step 2: Convert to fraction form
    12,485,736.48/17,231,715.12 = 7,053,578.40/x
  3. Step 3: Cross multiply
    12,485,736.48x = 17,231,715.12 × 7,053,578.40
  4. Step 4: Simplify right side
    12,485,736.48x = 121,545,253,565,385.42
  5. Step 5: Solve for x
    x = 121,545,253,565,385.42/12,485,736.48
  6. Step 6: Final answer
    x = 9,734,728.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.