Home / 18,932,903.55-28,399,353.90-4,555,972.86

Finding the Fourth Proportional to 18,932,903.55, 28,399,353.90 and 4,555,972.86

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Solution

The fourth proportional to 18,932,903.55, 28,399,353.90 and 4,555,972.86 is: 6,833,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932,903.55 : 28,399,353.90 = 4,555,972.86 : x
  2. Step 2: Convert to fraction form
    18,932,903.55/28,399,353.90 = 4,555,972.86/x
  3. Step 3: Cross multiply
    18,932,903.55x = 28,399,353.90 × 4,555,972.86
  4. Step 4: Simplify right side
    18,932,903.55x = 129,386,685,609,935.16
  5. Step 5: Solve for x
    x = 129,386,685,609,935.16/18,932,903.55
  6. Step 6: Final answer
    x = 6,833,958.95

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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.