Home / 13,061,074.61-18,024,294.50-7,180,808.85

Finding the Fourth Proportional to 13,061,074.61, 18,024,294.50 and 7,180,808.85

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Solution

The fourth proportional to 13,061,074.61, 18,024,294.50 and 7,180,808.85 is: 9,909,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,074.61 : 18,024,294.50 = 7,180,808.85 : x
  2. Step 2: Convert to fraction form
    13,061,074.61/18,024,294.50 = 7,180,808.85/x
  3. Step 3: Cross multiply
    13,061,074.61x = 18,024,294.50 × 7,180,808.85
  4. Step 4: Simplify right side
    13,061,074.61x = 129,429,013,424,702.28
  5. Step 5: Solve for x
    x = 129,429,013,424,702.28/13,061,074.61
  6. Step 6: Final answer
    x = 9,909,522.56

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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.