Home / 21,853,455.17-30,156,977.66-12,063,689.10

Finding the Fourth Proportional to 21,853,455.17, 30,156,977.66 and 12,063,689.10

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Solution

The fourth proportional to 21,853,455.17, 30,156,977.66 and 12,063,689.10 is: 16,647,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,455.17 : 30,156,977.66 = 12,063,689.10 : x
  2. Step 2: Convert to fraction form
    21,853,455.17/30,156,977.66 = 12,063,689.10/x
  3. Step 3: Cross multiply
    21,853,455.17x = 30,156,977.66 × 12,063,689.10
  4. Step 4: Simplify right side
    21,853,455.17x = 363,804,402,625,567.06
  5. Step 5: Solve for x
    x = 363,804,402,625,567.06/21,853,455.17
  6. Step 6: Final answer
    x = 16,647,454.60

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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.