Home / 11,205,753.02-15,471,079.14-9,145,682.57

Finding the Fourth Proportional to 11,205,753.02, 15,471,079.14 and 9,145,682.57

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Solution

The fourth proportional to 11,205,753.02, 15,471,079.14 and 9,145,682.57 is: 12,626,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,753.02 : 15,471,079.14 = 9,145,682.57 : x
  2. Step 2: Convert to fraction form
    11,205,753.02/15,471,079.14 = 9,145,682.57/x
  3. Step 3: Cross multiply
    11,205,753.02x = 15,471,079.14 × 9,145,682.57
  4. Step 4: Simplify right side
    11,205,753.02x = 141,493,578,752,433.19
  5. Step 5: Solve for x
    x = 141,493,578,752,433.19/11,205,753.02
  6. Step 6: Final answer
    x = 12,626,869.30

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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.