Home / 8,199,703.68-12,288,887-3,336,342.45

Finding the Fourth Proportional to 8,199,703.68, 12,288,887 and 3,336,342.45

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Solution

The fourth proportional to 8,199,703.68, 12,288,887 and 3,336,342.45 is: 5,000,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,703.68 : 12,288,887 = 3,336,342.45 : x
  2. Step 2: Convert to fraction form
    8,199,703.68/12,288,887 = 3,336,342.45/x
  3. Step 3: Cross multiply
    8,199,703.68x = 12,288,887 × 3,336,342.45
  4. Step 4: Simplify right side
    8,199,703.68x = 40,999,935,361,353.15
  5. Step 5: Solve for x
    x = 40,999,935,361,353.15/8,199,703.68
  6. Step 6: Final answer
    x = 5,000,172.81

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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.