Home / 9,375,510.49-12,937,422.41-8,690,017.21

Finding the Fourth Proportional to 9,375,510.49, 12,937,422.41 and 8,690,017.21

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Solution

The fourth proportional to 9,375,510.49, 12,937,422.41 and 8,690,017.21 is: 11,991,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375,510.49 : 12,937,422.41 = 8,690,017.21 : x
  2. Step 2: Convert to fraction form
    9,375,510.49/12,937,422.41 = 8,690,017.21/x
  3. Step 3: Cross multiply
    9,375,510.49x = 12,937,422.41 × 8,690,017.21
  4. Step 4: Simplify right side
    9,375,510.49x = 112,426,423,352,489.59
  5. Step 5: Solve for x
    x = 112,426,423,352,489.59/9,375,510.49
  6. Step 6: Final answer
    x = 11,991,498.86

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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.