Home / 40,899,330.80-61,348,996.20-12,149,903.60

Finding the Fourth Proportional to 40,899,330.80, 61,348,996.20 and 12,149,903.60

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Solution

The fourth proportional to 40,899,330.80, 61,348,996.20 and 12,149,903.60 is: 18,224,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899,330.80 : 61,348,996.20 = 12,149,903.60 : x
  2. Step 2: Convert to fraction form
    40,899,330.80/61,348,996.20 = 12,149,903.60/x
  3. Step 3: Cross multiply
    40,899,330.80x = 61,348,996.20 × 12,149,903.60
  4. Step 4: Simplify right side
    40,899,330.80x = 745,384,389,786,766.38
  5. Step 5: Solve for x
    x = 745,384,389,786,766.38/40,899,330.80
  6. Step 6: Final answer
    x = 18,224,855.40

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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.