Home / 18,145,853.10-27,218,779.65-16,161,806.70

Finding the Fourth Proportional to 18,145,853.10, 27,218,779.65 and 16,161,806.70

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Solution

The fourth proportional to 18,145,853.10, 27,218,779.65 and 16,161,806.70 is: 24,242,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,853.10 : 27,218,779.65 = 16,161,806.70 : x
  2. Step 2: Convert to fraction form
    18,145,853.10/27,218,779.65 = 16,161,806.70/x
  3. Step 3: Cross multiply
    18,145,853.10x = 27,218,779.65 × 16,161,806.70
  4. Step 4: Simplify right side
    18,145,853.10x = 439,904,655,313,193.62
  5. Step 5: Solve for x
    x = 439,904,655,313,193.62/18,145,853.10
  6. Step 6: Final answer
    x = 24,242,710.05

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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.