Home / 28,386,026.65-39,172,732.41-15,333,285.70

Finding the Fourth Proportional to 28,386,026.65, 39,172,732.41 and 15,333,285.70

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Solution

The fourth proportional to 28,386,026.65, 39,172,732.41 and 15,333,285.70 is: 21,159,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,026.65 : 39,172,732.41 = 15,333,285.70 : x
  2. Step 2: Convert to fraction form
    28,386,026.65/39,172,732.41 = 15,333,285.70/x
  3. Step 3: Cross multiply
    28,386,026.65x = 39,172,732.41 × 15,333,285.70
  4. Step 4: Simplify right side
    28,386,026.65x = 600,646,697,692,179.50
  5. Step 5: Solve for x
    x = 600,646,697,692,179.50/28,386,026.65
  6. Step 6: Final answer
    x = 21,159,942.71

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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.