Home / 14,339,020.57-21,487,666.84-8,862,422.65

Finding the Fourth Proportional to 14,339,020.57, 21,487,666.84 and 8,862,422.65

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Solution

The fourth proportional to 14,339,020.57, 21,487,666.84 and 8,862,422.65 is: 13,280,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,020.57 : 21,487,666.84 = 8,862,422.65 : x
  2. Step 2: Convert to fraction form
    14,339,020.57/21,487,666.84 = 8,862,422.65/x
  3. Step 3: Cross multiply
    14,339,020.57x = 21,487,666.84 × 8,862,422.65
  4. Step 4: Simplify right side
    14,339,020.57x = 190,432,785,298,469.94
  5. Step 5: Solve for x
    x = 190,432,785,298,469.94/14,339,020.57
  6. Step 6: Final answer
    x = 13,280,738.69

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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.