Home / 9,010,352.12-13,515,385.01-2,186,981.78

Finding the Fourth Proportional to 9,010,352.12, 13,515,385.01 and 2,186,981.78

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Solution

The fourth proportional to 9,010,352.12, 13,515,385.01 and 2,186,981.78 is: 3,280,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010,352.12 : 13,515,385.01 = 2,186,981.78 : x
  2. Step 2: Convert to fraction form
    9,010,352.12/13,515,385.01 = 2,186,981.78/x
  3. Step 3: Cross multiply
    9,010,352.12x = 13,515,385.01 × 2,186,981.78
  4. Step 4: Simplify right side
    9,010,352.12x = 29,557,900,688,043.29
  5. Step 5: Solve for x
    x = 29,557,900,688,043.29/9,010,352.12
  6. Step 6: Final answer
    x = 3,280,437.91

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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.