Home / 15,017,664.90-20,724,785.64-8,492,270.61

Finding the Fourth Proportional to 15,017,664.90, 20,724,785.64 and 8,492,270.61

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Solution

The fourth proportional to 15,017,664.90, 20,724,785.64 and 8,492,270.61 is: 11,719,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,664.90 : 20,724,785.64 = 8,492,270.61 : x
  2. Step 2: Convert to fraction form
    15,017,664.90/20,724,785.64 = 8,492,270.61/x
  3. Step 3: Cross multiply
    15,017,664.90x = 20,724,785.64 × 8,492,270.61
  4. Step 4: Simplify right side
    15,017,664.90x = 176,000,487,989,122.03
  5. Step 5: Solve for x
    x = 176,000,487,989,122.03/15,017,664.90
  6. Step 6: Final answer
    x = 11,719,564.20

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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.