Home / 12,358,847.20-18,538,270.80-3,841,794.40

Finding the Fourth Proportional to 12,358,847.20, 18,538,270.80 and 3,841,794.40

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Solution

The fourth proportional to 12,358,847.20, 18,538,270.80 and 3,841,794.40 is: 5,762,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,847.20 : 18,538,270.80 = 3,841,794.40 : x
  2. Step 2: Convert to fraction form
    12,358,847.20/18,538,270.80 = 3,841,794.40/x
  3. Step 3: Cross multiply
    12,358,847.20x = 18,538,270.80 × 3,841,794.40
  4. Step 4: Simplify right side
    12,358,847.20x = 71,220,224,945,123.52
  5. Step 5: Solve for x
    x = 71,220,224,945,123.52/12,358,847.20
  6. Step 6: Final answer
    x = 5,762,691.60

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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.