Home / 21,028,221.88-31,545,793.74-6,454,775.56

Finding the Fourth Proportional to 21,028,221.88, 31,545,793.74 and 6,454,775.56

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Solution

The fourth proportional to 21,028,221.88, 31,545,793.74 and 6,454,775.56 is: 9,683,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028,221.88 : 31,545,793.74 = 6,454,775.56 : x
  2. Step 2: Convert to fraction form
    21,028,221.88/31,545,793.74 = 6,454,775.56/x
  3. Step 3: Cross multiply
    21,028,221.88x = 31,545,793.74 × 6,454,775.56
  4. Step 4: Simplify right side
    21,028,221.88x = 203,621,018,453,752.97
  5. Step 5: Solve for x
    x = 203,621,018,453,752.97/21,028,221.88
  6. Step 6: Final answer
    x = 9,683,225.70

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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.