Home / 21,652,690.10-29,880,711.68-11,863,505.16

Finding the Fourth Proportional to 21,652,690.10, 29,880,711.68 and 11,863,505.16

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Solution

The fourth proportional to 21,652,690.10, 29,880,711.68 and 11,863,505.16 is: 16,371,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,690.10 : 29,880,711.68 = 11,863,505.16 : x
  2. Step 2: Convert to fraction form
    21,652,690.10/29,880,711.68 = 11,863,505.16/x
  3. Step 3: Cross multiply
    21,652,690.10x = 29,880,711.68 × 11,863,505.16
  4. Step 4: Simplify right side
    21,652,690.10x = 354,489,977,140,834.75
  5. Step 5: Solve for x
    x = 354,489,977,140,834.75/21,652,690.10
  6. Step 6: Final answer
    x = 16,371,636.76

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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.