Home / 20,753,364.20-31,130,046.30-11,187,426.20

Finding the Fourth Proportional to 20,753,364.20, 31,130,046.30 and 11,187,426.20

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Solution

The fourth proportional to 20,753,364.20, 31,130,046.30 and 11,187,426.20 is: 16,781,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,364.20 : 31,130,046.30 = 11,187,426.20 : x
  2. Step 2: Convert to fraction form
    20,753,364.20/31,130,046.30 = 11,187,426.20/x
  3. Step 3: Cross multiply
    20,753,364.20x = 31,130,046.30 × 11,187,426.20
  4. Step 4: Simplify right side
    20,753,364.20x = 348,265,095,583,833.06
  5. Step 5: Solve for x
    x = 348,265,095,583,833.06/20,753,364.20
  6. Step 6: Final answer
    x = 16,781,139.30

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1.5x scale

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.