Home / 15,766,778.60-23,650,167.90-13,215,861.80

Finding the Fourth Proportional to 15,766,778.60, 23,650,167.90 and 13,215,861.80

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Solution

The fourth proportional to 15,766,778.60, 23,650,167.90 and 13,215,861.80 is: 19,823,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,778.60 : 23,650,167.90 = 13,215,861.80 : x
  2. Step 2: Convert to fraction form
    15,766,778.60/23,650,167.90 = 13,215,861.80/x
  3. Step 3: Cross multiply
    15,766,778.60x = 23,650,167.90 × 13,215,861.80
  4. Step 4: Simplify right side
    15,766,778.60x = 312,557,350,513,196.19
  5. Step 5: Solve for x
    x = 312,557,350,513,196.19/15,766,778.60
  6. Step 6: Final answer
    x = 19,823,792.70

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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.