Home / 10,503,000.20-15,754,500.30-8,991,345.80

Finding the Fourth Proportional to 10,503,000.20, 15,754,500.30 and 8,991,345.80

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Solution

The fourth proportional to 10,503,000.20, 15,754,500.30 and 8,991,345.80 is: 13,487,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503,000.20 : 15,754,500.30 = 8,991,345.80 : x
  2. Step 2: Convert to fraction form
    10,503,000.20/15,754,500.30 = 8,991,345.80/x
  3. Step 3: Cross multiply
    10,503,000.20x = 15,754,500.30 × 8,991,345.80
  4. Step 4: Simplify right side
    10,503,000.20x = 141,654,160,103,503.75
  5. Step 5: Solve for x
    x = 141,654,160,103,503.75/10,503,000.20
  6. Step 6: Final answer
    x = 13,487,018.70

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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.