Home / 12,092,590.80-18,138,886.20-4,006,814.40

Finding the Fourth Proportional to 12,092,590.80, 18,138,886.20 and 4,006,814.40

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Solution

The fourth proportional to 12,092,590.80, 18,138,886.20 and 4,006,814.40 is: 6,010,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,590.80 : 18,138,886.20 = 4,006,814.40 : x
  2. Step 2: Convert to fraction form
    12,092,590.80/18,138,886.20 = 4,006,814.40/x
  3. Step 3: Cross multiply
    12,092,590.80x = 18,138,886.20 × 4,006,814.40
  4. Step 4: Simplify right side
    12,092,590.80x = 72,679,150,426,121.28
  5. Step 5: Solve for x
    x = 72,679,150,426,121.28/12,092,590.80
  6. Step 6: Final answer
    x = 6,010,221.60

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Similar ratio
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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.