Home / 16,858,920.30-25,288,380.45-12,607,392.30

Finding the Fourth Proportional to 16,858,920.30, 25,288,380.45 and 12,607,392.30

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Solution

The fourth proportional to 16,858,920.30, 25,288,380.45 and 12,607,392.30 is: 18,911,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858,920.30 : 25,288,380.45 = 12,607,392.30 : x
  2. Step 2: Convert to fraction form
    16,858,920.30/25,288,380.45 = 12,607,392.30/x
  3. Step 3: Cross multiply
    16,858,920.30x = 25,288,380.45 × 12,607,392.30
  4. Step 4: Simplify right side
    16,858,920.30x = 318,820,532,964,800.56
  5. Step 5: Solve for x
    x = 318,820,532,964,800.56/16,858,920.30
  6. Step 6: Final answer
    x = 18,911,088.45

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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.