Home / 43,127,947.40-64,691,921.10-11,215,243.40

Finding the Fourth Proportional to 43,127,947.40, 64,691,921.10 and 11,215,243.40

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Solution

The fourth proportional to 43,127,947.40, 64,691,921.10 and 11,215,243.40 is: 16,822,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127,947.40 : 64,691,921.10 = 11,215,243.40 : x
  2. Step 2: Convert to fraction form
    43,127,947.40/64,691,921.10 = 11,215,243.40/x
  3. Step 3: Cross multiply
    43,127,947.40x = 64,691,921.10 × 11,215,243.40
  4. Step 4: Simplify right side
    43,127,947.40x = 725,535,641,150,095.75
  5. Step 5: Solve for x
    x = 725,535,641,150,095.75/43,127,947.40
  6. Step 6: Final answer
    x = 16,822,865.10

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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.