Home / 9,129,680-13,689,389.77-6,254,288.94

Finding the Fourth Proportional to 9,129,680, 13,689,389.77 and 6,254,288.94

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Solution

The fourth proportional to 9,129,680, 13,689,389.77 and 6,254,288.94 is: 9,377,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,680 : 13,689,389.77 = 6,254,288.94 : x
  2. Step 2: Convert to fraction form
    9,129,680/13,689,389.77 = 6,254,288.94/x
  3. Step 3: Cross multiply
    9,129,680x = 13,689,389.77 × 6,254,288.94
  4. Step 4: Simplify right side
    9,129,680x = 85,617,399,033,860.14
  5. Step 5: Solve for x
    x = 85,617,399,033,860.14/9,129,680
  6. Step 6: Final answer
    x = 9,377,918.95

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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.