Home / 20,934,205.06-31,403,276.57-6,162,309.87

Finding the Fourth Proportional to 20,934,205.06, 31,403,276.57 and 6,162,309.87

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Solution

The fourth proportional to 20,934,205.06, 31,403,276.57 and 6,162,309.87 is: 9,244,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,205.06 : 31,403,276.57 = 6,162,309.87 : x
  2. Step 2: Convert to fraction form
    20,934,205.06/31,403,276.57 = 6,162,309.87/x
  3. Step 3: Cross multiply
    20,934,205.06x = 31,403,276.57 × 6,162,309.87
  4. Step 4: Simplify right side
    20,934,205.06x = 193,516,721,157,650.75
  5. Step 5: Solve for x
    x = 193,516,721,157,650.75/20,934,205.06
  6. Step 6: Final answer
    x = 9,244,044.40

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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.