Home / 20,051,657.38-30,081,352.95-8,536,913.75

Finding the Fourth Proportional to 20,051,657.38, 30,081,352.95 and 8,536,913.75

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Solution

The fourth proportional to 20,051,657.38, 30,081,352.95 and 8,536,913.75 is: 12,807,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051,657.38 : 30,081,352.95 = 8,536,913.75 : x
  2. Step 2: Convert to fraction form
    20,051,657.38/30,081,352.95 = 8,536,913.75/x
  3. Step 3: Cross multiply
    20,051,657.38x = 30,081,352.95 × 8,536,913.75
  4. Step 4: Simplify right side
    20,051,657.38x = 256,801,915,547,468.16
  5. Step 5: Solve for x
    x = 256,801,915,547,468.16/20,051,657.38
  6. Step 6: Final answer
    x = 12,807,016.93

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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.