Home / 25,708,290-38,565,361.21-9,321,291.63

Finding the Fourth Proportional to 25,708,290, 38,565,361.21 and 9,321,291.63

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Solution

The fourth proportional to 25,708,290, 38,565,361.21 and 9,321,291.63 is: 13,982,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,290 : 38,565,361.21 = 9,321,291.63 : x
  2. Step 2: Convert to fraction form
    25,708,290/38,565,361.21 = 9,321,291.63/x
  3. Step 3: Cross multiply
    25,708,290x = 38,565,361.21 × 9,321,291.63
  4. Step 4: Simplify right side
    25,708,290x = 359,478,978,654,699.69
  5. Step 5: Solve for x
    x = 359,478,978,654,699.69/25,708,290
  6. Step 6: Final answer
    x = 13,982,998.43

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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.