Home / 10,999,212.20-16,498,818.30-8,164,860.20

Finding the Fourth Proportional to 10,999,212.20, 16,498,818.30 and 8,164,860.20

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Solution

The fourth proportional to 10,999,212.20, 16,498,818.30 and 8,164,860.20 is: 12,247,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999,212.20 : 16,498,818.30 = 8,164,860.20 : x
  2. Step 2: Convert to fraction form
    10,999,212.20/16,498,818.30 = 8,164,860.20/x
  3. Step 3: Cross multiply
    10,999,212.20x = 16,498,818.30 × 8,164,860.20
  4. Step 4: Simplify right side
    10,999,212.20x = 134,710,544,884,701.67
  5. Step 5: Solve for x
    x = 134,710,544,884,701.67/10,999,212.20
  6. Step 6: Final answer
    x = 12,247,290.30

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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.