Home / 28,979,506.04-39,992,618.31-15,926,527.76

Finding the Fourth Proportional to 28,979,506.04, 39,992,618.31 and 15,926,527.76

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Solution

The fourth proportional to 28,979,506.04, 39,992,618.31 and 15,926,527.76 is: 21,979,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,506.04 : 39,992,618.31 = 15,926,527.76 : x
  2. Step 2: Convert to fraction form
    28,979,506.04/39,992,618.31 = 15,926,527.76/x
  3. Step 3: Cross multiply
    28,979,506.04x = 39,992,618.31 × 15,926,527.76
  4. Step 4: Simplify right side
    28,979,506.04x = 636,943,545,709,299.38
  5. Step 5: Solve for x
    x = 636,943,545,709,299.38/28,979,506.04
  6. Step 6: Final answer
    x = 21,979,102.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.