Home / 15,737,761.78-21,719,217.93-8,768,891.14

Finding the Fourth Proportional to 15,737,761.78, 21,719,217.93 and 8,768,891.14

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Solution

The fourth proportional to 15,737,761.78, 21,719,217.93 and 8,768,891.14 is: 12,101,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737,761.78 : 21,719,217.93 = 8,768,891.14 : x
  2. Step 2: Convert to fraction form
    15,737,761.78/21,719,217.93 = 8,768,891.14/x
  3. Step 3: Cross multiply
    15,737,761.78x = 21,719,217.93 × 8,768,891.14
  4. Step 4: Simplify right side
    15,737,761.78x = 190,453,457,674,106.16
  5. Step 5: Solve for x
    x = 190,453,457,674,106.16/15,737,761.78
  6. Step 6: Final answer
    x = 12,101,686.40

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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.