Home / 25,708,289-38,565,359.71-9,321,290.63

Finding the Fourth Proportional to 25,708,289, 38,565,359.71 and 9,321,290.63

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Solution

The fourth proportional to 25,708,289, 38,565,359.71 and 9,321,290.63 is: 13,982,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,289 : 38,565,359.71 = 9,321,290.63 : x
  2. Step 2: Convert to fraction form
    25,708,289/38,565,359.71 = 9,321,290.63/x
  3. Step 3: Cross multiply
    25,708,289x = 38,565,359.71 × 9,321,290.63
  4. Step 4: Simplify right side
    25,708,289x = 359,478,926,107,402.56
  5. Step 5: Solve for x
    x = 359,478,926,107,402.56/25,708,289
  6. Step 6: Final answer
    x = 13,982,996.93

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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.