Home / 18,961,105.52-26,166,139.04-10,259,087.12

Finding the Fourth Proportional to 18,961,105.52, 26,166,139.04 and 10,259,087.12

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Solution

The fourth proportional to 18,961,105.52, 26,166,139.04 and 10,259,087.12 is: 14,157,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,105.52 : 26,166,139.04 = 10,259,087.12 : x
  2. Step 2: Convert to fraction form
    18,961,105.52/26,166,139.04 = 10,259,087.12/x
  3. Step 3: Cross multiply
    18,961,105.52x = 26,166,139.04 × 10,259,087.12
  4. Step 4: Simplify right side
    18,961,105.52x = 268,440,700,005,393.12
  5. Step 5: Solve for x
    x = 268,440,700,005,393.12/18,961,105.52
  6. Step 6: Final answer
    x = 14,157,439.28

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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.