Home / 25,708,287-38,565,356.71-9,321,288.63

Finding the Fourth Proportional to 25,708,287, 38,565,356.71 and 9,321,288.63

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Solution

The fourth proportional to 25,708,287, 38,565,356.71 and 9,321,288.63 is: 13,982,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,287 : 38,565,356.71 = 9,321,288.63 : x
  2. Step 2: Convert to fraction form
    25,708,287/38,565,356.71 = 9,321,288.63/x
  3. Step 3: Cross multiply
    25,708,287x = 38,565,356.71 × 9,321,288.63
  4. Step 4: Simplify right side
    25,708,287x = 359,478,821,012,817.25
  5. Step 5: Solve for x
    x = 359,478,821,012,817.25/25,708,287
  6. Step 6: Final answer
    x = 13,982,993.93

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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.