Home / 25,746,617.40-38,644,809.30-15,668,921.40

Finding the Fourth Proportional to 25,746,617.40, 38,644,809.30 and 15,668,921.40

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Solution

The fourth proportional to 25,746,617.40, 38,644,809.30 and 15,668,921.40 is: 23,518,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746,617.40 : 38,644,809.30 = 15,668,921.40 : x
  2. Step 2: Convert to fraction form
    25,746,617.40/38,644,809.30 = 15,668,921.40/x
  3. Step 3: Cross multiply
    25,746,617.40x = 38,644,809.30 × 15,668,921.40
  4. Step 4: Simplify right side
    25,746,617.40x = 605,522,479,439,689
  5. Step 5: Solve for x
    x = 605,522,479,439,689/25,746,617.40
  6. Step 6: Final answer
    x = 23,518,525.56

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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.