Home / 21,730,117.60-29,985,807.12-12,563,350.80

Finding the Fourth Proportional to 21,730,117.60, 29,985,807.12 and 12,563,350.80

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Solution

The fourth proportional to 21,730,117.60, 29,985,807.12 and 12,563,350.80 is: 17,336,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,117.60 : 29,985,807.12 = 12,563,350.80 : x
  2. Step 2: Convert to fraction form
    21,730,117.60/29,985,807.12 = 12,563,350.80/x
  3. Step 3: Cross multiply
    21,730,117.60x = 29,985,807.12 × 12,563,350.80
  4. Step 4: Simplify right side
    21,730,117.60x = 376,722,213,869,697.75
  5. Step 5: Solve for x
    x = 376,722,213,869,697.75/21,730,117.60
  6. Step 6: Final answer
    x = 17,336,409.35

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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.