Home / 25,708,288-38,565,358.21-9,321,289.63

Finding the Fourth Proportional to 25,708,288, 38,565,358.21 and 9,321,289.63

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Solution

The fourth proportional to 25,708,288, 38,565,358.21 and 9,321,289.63 is: 13,982,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,288 : 38,565,358.21 = 9,321,289.63 : x
  2. Step 2: Convert to fraction form
    25,708,288/38,565,358.21 = 9,321,289.63/x
  3. Step 3: Cross multiply
    25,708,288x = 38,565,358.21 × 9,321,289.63
  4. Step 4: Simplify right side
    25,708,288x = 359,478,873,560,108.38
  5. Step 5: Solve for x
    x = 359,478,873,560,108.38/25,708,288
  6. Step 6: Final answer
    x = 13,982,995.43

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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.