Home / 25,563,565.60-38,367,121.20-10,428,359.20

Finding the Fourth Proportional to 25,563,565.60, 38,367,121.20 and 10,428,359.20

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Solution

The fourth proportional to 25,563,565.60, 38,367,121.20 and 10,428,359.20 is: 15,651,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,565.60 : 38,367,121.20 = 10,428,359.20 : x
  2. Step 2: Convert to fraction form
    25,563,565.60/38,367,121.20 = 10,428,359.20/x
  3. Step 3: Cross multiply
    25,563,565.60x = 38,367,121.20 × 10,428,359.20
  4. Step 4: Simplify right side
    25,563,565.60x = 400,106,121,343,535.06
  5. Step 5: Solve for x
    x = 400,106,121,343,535.06/25,563,565.60
  6. Step 6: Final answer
    x = 15,651,420.76

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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.