Home / 18,887,561.10-28,331,341.65-16,655,508.90

Finding the Fourth Proportional to 18,887,561.10, 28,331,341.65 and 16,655,508.90

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Solution

The fourth proportional to 18,887,561.10, 28,331,341.65 and 16,655,508.90 is: 24,983,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,561.10 : 28,331,341.65 = 16,655,508.90 : x
  2. Step 2: Convert to fraction form
    18,887,561.10/28,331,341.65 = 16,655,508.90/x
  3. Step 3: Cross multiply
    18,887,561.10x = 28,331,341.65 × 16,655,508.90
  4. Step 4: Simplify right side
    18,887,561.10x = 471,872,913,000,515.69
  5. Step 5: Solve for x
    x = 471,872,913,000,515.69/18,887,561.10
  6. Step 6: Final answer
    x = 24,983,263.35

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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.