Home / 19,162,551.10-28,743,826.65-18,406,723.90

Finding the Fourth Proportional to 19,162,551.10, 28,743,826.65 and 18,406,723.90

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Solution

The fourth proportional to 19,162,551.10, 28,743,826.65 and 18,406,723.90 is: 27,610,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,551.10 : 28,743,826.65 = 18,406,723.90 : x
  2. Step 2: Convert to fraction form
    19,162,551.10/28,743,826.65 = 18,406,723.90/x
  3. Step 3: Cross multiply
    19,162,551.10x = 28,743,826.65 × 18,406,723.90
  4. Step 4: Simplify right side
    19,162,551.10x = 529,079,680,976,011.88
  5. Step 5: Solve for x
    x = 529,079,680,976,011.88/19,162,551.10
  6. Step 6: Final answer
    x = 27,610,085.85

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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.