Home / 20,996,043.28-31,494,065.28-5,039,691.28

Finding the Fourth Proportional to 20,996,043.28, 31,494,065.28 and 5,039,691.28

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Solution

The fourth proportional to 20,996,043.28, 31,494,065.28 and 5,039,691.28 is: 7,559,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,043.28 : 31,494,065.28 = 5,039,691.28 : x
  2. Step 2: Convert to fraction form
    20,996,043.28/31,494,065.28 = 5,039,691.28/x
  3. Step 3: Cross multiply
    20,996,043.28x = 31,494,065.28 × 5,039,691.28
  4. Step 4: Simplify right side
    20,996,043.28x = 158,720,366,163,366.78
  5. Step 5: Solve for x
    x = 158,720,366,163,366.78/20,996,043.28
  6. Step 6: Final answer
    x = 7,559,537.01

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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.