Home / 11,137,468.92-16,731,780.34-7,862,354.40

Finding the Fourth Proportional to 11,137,468.92, 16,731,780.34 and 7,862,354.40

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Solution

The fourth proportional to 11,137,468.92, 16,731,780.34 and 7,862,354.40 is: 11,811,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137,468.92 : 16,731,780.34 = 7,862,354.40 : x
  2. Step 2: Convert to fraction form
    11,137,468.92/16,731,780.34 = 7,862,354.40/x
  3. Step 3: Cross multiply
    11,137,468.92x = 16,731,780.34 × 7,862,354.40
  4. Step 4: Simplify right side
    11,137,468.92x = 131,551,186,833,862.70
  5. Step 5: Solve for x
    x = 131,551,186,833,862.70/11,137,468.92
  6. Step 6: Final answer
    x = 11,811,587.34

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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.