Home / 25,487,617.20-38,168,440.20-16,921,575.60

Finding the Fourth Proportional to 25,487,617.20, 38,168,440.20 and 16,921,575.60

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Solution

The fourth proportional to 25,487,617.20, 38,168,440.20 and 16,921,575.60 is: 25,340,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,617.20 : 38,168,440.20 = 16,921,575.60 : x
  2. Step 2: Convert to fraction form
    25,487,617.20/38,168,440.20 = 16,921,575.60/x
  3. Step 3: Cross multiply
    25,487,617.20x = 38,168,440.20 × 16,921,575.60
  4. Step 4: Simplify right side
    25,487,617.20x = 645,870,146,378,379.25
  5. Step 5: Solve for x
    x = 645,870,146,378,379.25/25,487,617.20
  6. Step 6: Final answer
    x = 25,340,546.40

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1.5x scale

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.