Home / 11,029,000.10-16,543,500.15-8,478,083.30

Finding the Fourth Proportional to 11,029,000.10, 16,543,500.15 and 8,478,083.30

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Solution

The fourth proportional to 11,029,000.10, 16,543,500.15 and 8,478,083.30 is: 12,717,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029,000.10 : 16,543,500.15 = 8,478,083.30 : x
  2. Step 2: Convert to fraction form
    11,029,000.10/16,543,500.15 = 8,478,083.30/x
  3. Step 3: Cross multiply
    11,029,000.10x = 16,543,500.15 × 8,478,083.30
  4. Step 4: Simplify right side
    11,029,000.10x = 140,257,172,345,262.52
  5. Step 5: Solve for x
    x = 140,257,172,345,262.52/11,029,000.10
  6. Step 6: Final answer
    x = 12,717,124.95

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1.5x scale

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.