Home / 7,171,402.50-9,896,535.72-3,952,138.50

Finding the Fourth Proportional to 7,171,402.50, 9,896,535.72 and 3,952,138.50

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Solution

The fourth proportional to 7,171,402.50, 9,896,535.72 and 3,952,138.50 is: 5,453,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,402.50 : 9,896,535.72 = 3,952,138.50 : x
  2. Step 2: Convert to fraction form
    7,171,402.50/9,896,535.72 = 3,952,138.50/x
  3. Step 3: Cross multiply
    7,171,402.50x = 9,896,535.72 × 3,952,138.50
  4. Step 4: Simplify right side
    7,171,402.50x = 39,112,479,835,637.22
  5. Step 5: Solve for x
    x = 39,112,479,835,637.22/7,171,402.50
  6. Step 6: Final answer
    x = 5,453,951.28

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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.