Home / 25,325,464.70-34,935,663.20-15,405,380.30

Finding the Fourth Proportional to 25,325,464.70, 34,935,663.20 and 15,405,380.30

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Solution

The fourth proportional to 25,325,464.70, 34,935,663.20 and 15,405,380.30 is: 21,251,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325,464.70 : 34,935,663.20 = 15,405,380.30 : x
  2. Step 2: Convert to fraction form
    25,325,464.70/34,935,663.20 = 15,405,380.30/x
  3. Step 3: Cross multiply
    25,325,464.70x = 34,935,663.20 × 15,405,380.30
  4. Step 4: Simplify right side
    25,325,464.70x = 538,197,177,628,715.06
  5. Step 5: Solve for x
    x = 538,197,177,628,715.06/25,325,464.70
  6. Step 6: Final answer
    x = 21,251,226.15

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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.