Home / 29,128,977.60-43,693,466.40-18,925,310.40

Finding the Fourth Proportional to 29,128,977.60, 43,693,466.40 and 18,925,310.40

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Solution

The fourth proportional to 29,128,977.60, 43,693,466.40 and 18,925,310.40 is: 28,387,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128,977.60 : 43,693,466.40 = 18,925,310.40 : x
  2. Step 2: Convert to fraction form
    29,128,977.60/43,693,466.40 = 18,925,310.40/x
  3. Step 3: Cross multiply
    29,128,977.60x = 43,693,466.40 × 18,925,310.40
  4. Step 4: Simplify right side
    29,128,977.60x = 826,912,414,071,970.50
  5. Step 5: Solve for x
    x = 826,912,414,071,970.50/29,128,977.60
  6. Step 6: Final answer
    x = 28,387,965.60

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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.