Home / 10,571,424.60-15,857,136.90-7,382,778.60

Finding the Fourth Proportional to 10,571,424.60, 15,857,136.90 and 7,382,778.60

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Solution

The fourth proportional to 10,571,424.60, 15,857,136.90 and 7,382,778.60 is: 11,074,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,424.60 : 15,857,136.90 = 7,382,778.60 : x
  2. Step 2: Convert to fraction form
    10,571,424.60/15,857,136.90 = 7,382,778.60/x
  3. Step 3: Cross multiply
    10,571,424.60x = 15,857,136.90 × 7,382,778.60
  4. Step 4: Simplify right side
    10,571,424.60x = 117,069,730,962,590.34
  5. Step 5: Solve for x
    x = 117,069,730,962,590.34/10,571,424.60
  6. Step 6: Final answer
    x = 11,074,167.90

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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.