Home / 12,904,577.78-17,808,787.60-7,023,927.86

Finding the Fourth Proportional to 12,904,577.78, 17,808,787.60 and 7,023,927.86

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Solution

The fourth proportional to 12,904,577.78, 17,808,787.60 and 7,023,927.86 is: 9,693,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,577.78 : 17,808,787.60 = 7,023,927.86 : x
  2. Step 2: Convert to fraction form
    12,904,577.78/17,808,787.60 = 7,023,927.86/x
  3. Step 3: Cross multiply
    12,904,577.78x = 17,808,787.60 × 7,023,927.86
  4. Step 4: Simplify right side
    12,904,577.78x = 125,087,639,356,400.03
  5. Step 5: Solve for x
    x = 125,087,639,356,400.03/12,904,577.78
  6. Step 6: Final answer
    x = 9,693,276.41

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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.