Home / 9,061,145.70-13,591,718.55-8,712,780.90

Finding the Fourth Proportional to 9,061,145.70, 13,591,718.55 and 8,712,780.90

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Solution

The fourth proportional to 9,061,145.70, 13,591,718.55 and 8,712,780.90 is: 13,069,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061,145.70 : 13,591,718.55 = 8,712,780.90 : x
  2. Step 2: Convert to fraction form
    9,061,145.70/13,591,718.55 = 8,712,780.90/x
  3. Step 3: Cross multiply
    9,061,145.70x = 13,591,718.55 × 8,712,780.90
  4. Step 4: Simplify right side
    9,061,145.70x = 118,421,665,780,615.70
  5. Step 5: Solve for x
    x = 118,421,665,780,615.70/9,061,145.70
  6. Step 6: Final answer
    x = 13,069,171.35

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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.