Home / 21,640,508.40-32,508,001.80-15,263,216.40

Finding the Fourth Proportional to 21,640,508.40, 32,508,001.80 and 15,263,216.40

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Solution

The fourth proportional to 21,640,508.40, 32,508,001.80 and 15,263,216.40 is: 22,928,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640,508.40 : 32,508,001.80 = 15,263,216.40 : x
  2. Step 2: Convert to fraction form
    21,640,508.40/32,508,001.80 = 15,263,216.40/x
  3. Step 3: Cross multiply
    21,640,508.40x = 32,508,001.80 × 15,263,216.40
  4. Step 4: Simplify right side
    21,640,508.40x = 496,176,666,204,989.56
  5. Step 5: Solve for x
    x = 496,176,666,204,989.56/21,640,508.40
  6. Step 6: Final answer
    x = 22,928,142.77

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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.