Home / 20,943,925.80-31,415,888.70-5,797,857.30

Finding the Fourth Proportional to 20,943,925.80, 31,415,888.70 and 5,797,857.30

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Solution

The fourth proportional to 20,943,925.80, 31,415,888.70 and 5,797,857.30 is: 8,696,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943,925.80 : 31,415,888.70 = 5,797,857.30 : x
  2. Step 2: Convert to fraction form
    20,943,925.80/31,415,888.70 = 5,797,857.30/x
  3. Step 3: Cross multiply
    20,943,925.80x = 31,415,888.70 × 5,797,857.30
  4. Step 4: Simplify right side
    20,943,925.80x = 182,144,839,635,282.50
  5. Step 5: Solve for x
    x = 182,144,839,635,282.50/20,943,925.80
  6. Step 6: Final answer
    x = 8,696,785.95

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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.