Home / 20,251,021.80-30,376,532.70-5,104,953.30

Finding the Fourth Proportional to 20,251,021.80, 30,376,532.70 and 5,104,953.30

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Solution

The fourth proportional to 20,251,021.80, 30,376,532.70 and 5,104,953.30 is: 7,657,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,021.80 : 30,376,532.70 = 5,104,953.30 : x
  2. Step 2: Convert to fraction form
    20,251,021.80/30,376,532.70 = 5,104,953.30/x
  3. Step 3: Cross multiply
    20,251,021.80x = 30,376,532.70 × 5,104,953.30
  4. Step 4: Simplify right side
    20,251,021.80x = 155,070,780,849,422.91
  5. Step 5: Solve for x
    x = 155,070,780,849,422.91/20,251,021.80
  6. Step 6: Final answer
    x = 7,657,429.95

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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.