Home / 29,128,980.10-43,693,470.15-18,925,312.90

Finding the Fourth Proportional to 29,128,980.10, 43,693,470.15 and 18,925,312.90

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Solution

The fourth proportional to 29,128,980.10, 43,693,470.15 and 18,925,312.90 is: 28,387,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128,980.10 : 43,693,470.15 = 18,925,312.90 : x
  2. Step 2: Convert to fraction form
    29,128,980.10/43,693,470.15 = 18,925,312.90/x
  3. Step 3: Cross multiply
    29,128,980.10x = 43,693,470.15 × 18,925,312.90
  4. Step 4: Simplify right side
    29,128,980.10x = 826,912,594,275,559.88
  5. Step 5: Solve for x
    x = 826,912,594,275,559.88/29,128,980.10
  6. Step 6: Final answer
    x = 28,387,969.35

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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.