Home / 12,336,565.37-18,487,871.45-10,505,455.88

Finding the Fourth Proportional to 12,336,565.37, 18,487,871.45 and 10,505,455.88

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Solution

The fourth proportional to 12,336,565.37, 18,487,871.45 and 10,505,455.88 is: 15,743,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,565.37 : 18,487,871.45 = 10,505,455.88 : x
  2. Step 2: Convert to fraction form
    12,336,565.37/18,487,871.45 = 10,505,455.88/x
  3. Step 3: Cross multiply
    12,336,565.37x = 18,487,871.45 × 10,505,455.88
  4. Step 4: Simplify right side
    12,336,565.37x = 194,223,517,688,120
  5. Step 5: Solve for x
    x = 194,223,517,688,120/12,336,565.37
  6. Step 6: Final answer
    x = 15,743,727.04

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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.