Home / 15,071,064.08-20,797,440.39-8,545,135.05

Finding the Fourth Proportional to 15,071,064.08, 20,797,440.39 and 8,545,135.05

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Solution

The fourth proportional to 15,071,064.08, 20,797,440.39 and 8,545,135.05 is: 11,791,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,064.08 : 20,797,440.39 = 8,545,135.05 : x
  2. Step 2: Convert to fraction form
    15,071,064.08/20,797,440.39 = 8,545,135.05/x
  3. Step 3: Cross multiply
    15,071,064.08x = 20,797,440.39 × 8,545,135.05
  4. Step 4: Simplify right side
    15,071,064.08x = 177,716,936,826,874.69
  5. Step 5: Solve for x
    x = 177,716,936,826,874.69/15,071,064.08
  6. Step 6: Final answer
    x = 11,791,930.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.