Home / 12,425,139.25-18,638,984.15-4,755,235.92

Finding the Fourth Proportional to 12,425,139.25, 18,638,984.15 and 4,755,235.92

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Solution

The fourth proportional to 12,425,139.25, 18,638,984.15 and 4,755,235.92 is: 7,133,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,139.25 : 18,638,984.15 = 4,755,235.92 : x
  2. Step 2: Convert to fraction form
    12,425,139.25/18,638,984.15 = 4,755,235.92/x
  3. Step 3: Cross multiply
    12,425,139.25x = 18,638,984.15 × 4,755,235.92
  4. Step 4: Simplify right side
    12,425,139.25x = 88,632,766,942,390.66
  5. Step 5: Solve for x
    x = 88,632,766,942,390.66/12,425,139.25
  6. Step 6: Final answer
    x = 7,133,341.94

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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.