Home / 20,777,509.52-31,166,264.56-5,631,441.04

Finding the Fourth Proportional to 20,777,509.52, 31,166,264.56 and 5,631,441.04

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Solution

The fourth proportional to 20,777,509.52, 31,166,264.56 and 5,631,441.04 is: 8,447,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,509.52 : 31,166,264.56 = 5,631,441.04 : x
  2. Step 2: Convert to fraction form
    20,777,509.52/31,166,264.56 = 5,631,441.04/x
  3. Step 3: Cross multiply
    20,777,509.52x = 31,166,264.56 × 5,631,441.04
  4. Step 4: Simplify right side
    20,777,509.52x = 175,510,981,306,681.53
  5. Step 5: Solve for x
    x = 175,510,981,306,681.53/20,777,509.52
  6. Step 6: Final answer
    x = 8,447,161.64

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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.