Home / 16,489,429.20-24,727,145.40-7,972,376.40

Finding the Fourth Proportional to 16,489,429.20, 24,727,145.40 and 7,972,376.40

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Solution

The fourth proportional to 16,489,429.20, 24,727,145.40 and 7,972,376.40 is: 11,955,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489,429.20 : 24,727,145.40 = 7,972,376.40 : x
  2. Step 2: Convert to fraction form
    16,489,429.20/24,727,145.40 = 7,972,376.40/x
  3. Step 3: Cross multiply
    16,489,429.20x = 24,727,145.40 × 7,972,376.40
  4. Step 4: Simplify right side
    16,489,429.20x = 197,134,110,426,328.56
  5. Step 5: Solve for x
    x = 197,134,110,426,328.56/16,489,429.20
  6. Step 6: Final answer
    x = 11,955,180.99

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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.