Home / 8,478,000.10-12,713,063.55-3,683,221.30

Finding the Fourth Proportional to 8,478,000.10, 12,713,063.55 and 3,683,221.30

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Solution

The fourth proportional to 8,478,000.10, 12,713,063.55 and 3,683,221.30 is: 5,523,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,000.10 : 12,713,063.55 = 3,683,221.30 : x
  2. Step 2: Convert to fraction form
    8,478,000.10/12,713,063.55 = 3,683,221.30/x
  3. Step 3: Cross multiply
    8,478,000.10x = 12,713,063.55 × 3,683,221.30
  4. Step 4: Simplify right side
    8,478,000.10x = 46,825,026,455,613.62
  5. Step 5: Solve for x
    x = 46,825,026,455,613.62/8,478,000.10
  6. Step 6: Final answer
    x = 5,523,121.72

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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.