Home / 29,128,976.60-43,693,464.90-18,925,309.40

Finding the Fourth Proportional to 29,128,976.60, 43,693,464.90 and 18,925,309.40

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Solution

The fourth proportional to 29,128,976.60, 43,693,464.90 and 18,925,309.40 is: 28,387,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128,976.60 : 43,693,464.90 = 18,925,309.40 : x
  2. Step 2: Convert to fraction form
    29,128,976.60/43,693,464.90 = 18,925,309.40/x
  3. Step 3: Cross multiply
    29,128,976.60x = 43,693,464.90 × 18,925,309.40
  4. Step 4: Simplify right side
    29,128,976.60x = 826,912,341,990,540
  5. Step 5: Solve for x
    x = 826,912,341,990,540/29,128,976.60
  6. Step 6: Final answer
    x = 28,387,964.10

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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.