Home / 9,936,031.20-14,904,046.80-3,205,125.60

Finding the Fourth Proportional to 9,936,031.20, 14,904,046.80 and 3,205,125.60

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Solution

The fourth proportional to 9,936,031.20, 14,904,046.80 and 3,205,125.60 is: 4,807,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,031.20 : 14,904,046.80 = 3,205,125.60 : x
  2. Step 2: Convert to fraction form
    9,936,031.20/14,904,046.80 = 3,205,125.60/x
  3. Step 3: Cross multiply
    9,936,031.20x = 14,904,046.80 × 3,205,125.60
  4. Step 4: Simplify right side
    9,936,031.20x = 47,769,341,942,278.09
  5. Step 5: Solve for x
    x = 47,769,341,942,278.09/9,936,031.20
  6. Step 6: Final answer
    x = 4,807,688.40

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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.