Home / 8,424,004.60-12,636,006.90-5,587,319.80

Finding the Fourth Proportional to 8,424,004.60, 12,636,006.90 and 5,587,319.80

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Solution

The fourth proportional to 8,424,004.60, 12,636,006.90 and 5,587,319.80 is: 8,380,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,004.60 : 12,636,006.90 = 5,587,319.80 : x
  2. Step 2: Convert to fraction form
    8,424,004.60/12,636,006.90 = 5,587,319.80/x
  3. Step 3: Cross multiply
    8,424,004.60x = 12,636,006.90 × 5,587,319.80
  4. Step 4: Simplify right side
    8,424,004.60x = 70,601,411,545,306.62
  5. Step 5: Solve for x
    x = 70,601,411,545,306.62/8,424,004.60
  6. Step 6: Final answer
    x = 8,380,979.70

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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.