Home / 14,077,998.59-19,427,638.05-7,639,470.59

Finding the Fourth Proportional to 14,077,998.59, 19,427,638.05 and 7,639,470.59

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Solution

The fourth proportional to 14,077,998.59, 19,427,638.05 and 7,639,470.59 is: 10,542,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,998.59 : 19,427,638.05 = 7,639,470.59 : x
  2. Step 2: Convert to fraction form
    14,077,998.59/19,427,638.05 = 7,639,470.59/x
  3. Step 3: Cross multiply
    14,077,998.59x = 19,427,638.05 × 7,639,470.59
  4. Step 4: Simplify right side
    14,077,998.59x = 148,416,869,419,001.75
  5. Step 5: Solve for x
    x = 148,416,869,419,001.75/14,077,998.59
  6. Step 6: Final answer
    x = 10,542,469.41

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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.