Home / 10,087,903.60-15,131,855.40-9,308,456.80

Finding the Fourth Proportional to 10,087,903.60, 15,131,855.40 and 9,308,456.80

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Solution

The fourth proportional to 10,087,903.60, 15,131,855.40 and 9,308,456.80 is: 13,962,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087,903.60 : 15,131,855.40 = 9,308,456.80 : x
  2. Step 2: Convert to fraction form
    10,087,903.60/15,131,855.40 = 9,308,456.80/x
  3. Step 3: Cross multiply
    10,087,903.60x = 15,131,855.40 × 9,308,456.80
  4. Step 4: Simplify right side
    10,087,903.60x = 140,854,222,294,746.75
  5. Step 5: Solve for x
    x = 140,854,222,294,746.75/10,087,903.60
  6. Step 6: Final answer
    x = 13,962,685.20

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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.