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Finding the Fourth Proportional to 15,569,793.60, 23,354,690.40 and 14,687,995.20

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Solution

The fourth proportional to 15,569,793.60, 23,354,690.40 and 14,687,995.20 is: 22,031,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569,793.60 : 23,354,690.40 = 14,687,995.20 : x
  2. Step 2: Convert to fraction form
    15,569,793.60/23,354,690.40 = 14,687,995.20/x
  3. Step 3: Cross multiply
    15,569,793.60x = 23,354,690.40 × 14,687,995.20
  4. Step 4: Simplify right side
    15,569,793.60x = 343,033,580,492,686.06
  5. Step 5: Solve for x
    x = 343,033,580,492,686.06/15,569,793.60
  6. Step 6: Final answer
    x = 22,031,992.80

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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.