Home / 20,736,600.30-31,104,900.45-7,272,024.30

Finding the Fourth Proportional to 20,736,600.30, 31,104,900.45 and 7,272,024.30

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Solution

The fourth proportional to 20,736,600.30, 31,104,900.45 and 7,272,024.30 is: 10,908,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,600.30 : 31,104,900.45 = 7,272,024.30 : x
  2. Step 2: Convert to fraction form
    20,736,600.30/31,104,900.45 = 7,272,024.30/x
  3. Step 3: Cross multiply
    20,736,600.30x = 31,104,900.45 × 7,272,024.30
  4. Step 4: Simplify right side
    20,736,600.30x = 226,195,591,921,480.94
  5. Step 5: Solve for x
    x = 226,195,591,921,480.94/20,736,600.30
  6. Step 6: Final answer
    x = 10,908,036.45

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1.5x scale

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.