Home / 15,017,665.15-20,724,785.99-8,492,270.86

Finding the Fourth Proportional to 15,017,665.15, 20,724,785.99 and 8,492,270.86

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Solution

The fourth proportional to 15,017,665.15, 20,724,785.99 and 8,492,270.86 is: 11,719,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,665.15 : 20,724,785.99 = 8,492,270.86 : x
  2. Step 2: Convert to fraction form
    15,017,665.15/20,724,785.99 = 8,492,270.86/x
  3. Step 3: Cross multiply
    15,017,665.15x = 20,724,785.99 × 8,492,270.86
  4. Step 4: Simplify right side
    15,017,665.15x = 176,000,496,142,613.22
  5. Step 5: Solve for x
    x = 176,000,496,142,613.22/15,017,665.15
  6. Step 6: Final answer
    x = 11,719,564.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.