Home / 14,339,029.34-21,487,680-8,862,431.42

Finding the Fourth Proportional to 14,339,029.34, 21,487,680 and 8,862,431.42

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Solution

The fourth proportional to 14,339,029.34, 21,487,680 and 8,862,431.42 is: 13,280,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,029.34 : 21,487,680 = 8,862,431.42 : x
  2. Step 2: Convert to fraction form
    14,339,029.34/21,487,680 = 8,862,431.42/x
  3. Step 3: Cross multiply
    14,339,029.34x = 21,487,680 × 8,862,431.42
  4. Step 4: Simplify right side
    14,339,029.34x = 190,433,090,428,624.78
  5. Step 5: Solve for x
    x = 190,433,090,428,624.78/14,339,029.34
  6. Step 6: Final answer
    x = 13,280,751.85

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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.