Home / 21,551,340.70-32,342,757.45-15,174,048.70

Finding the Fourth Proportional to 21,551,340.70, 32,342,757.45 and 15,174,048.70

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Solution

The fourth proportional to 21,551,340.70, 32,342,757.45 and 15,174,048.70 is: 22,772,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,340.70 : 32,342,757.45 = 15,174,048.70 : x
  2. Step 2: Convert to fraction form
    21,551,340.70/32,342,757.45 = 15,174,048.70/x
  3. Step 3: Cross multiply
    21,551,340.70x = 32,342,757.45 × 15,174,048.70
  4. Step 4: Simplify right side
    21,551,340.70x = 490,770,576,638,587.75
  5. Step 5: Solve for x
    x = 490,770,576,638,587.75/21,551,340.70
  6. Step 6: Final answer
    x = 22,772,159.91

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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.