Home / 10,987,488.20-16,488,230.70-6,438,528.20

Finding the Fourth Proportional to 10,987,488.20, 16,488,230.70 and 6,438,528.20

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Solution

The fourth proportional to 10,987,488.20, 16,488,230.70 and 6,438,528.20 is: 9,661,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,488.20 : 16,488,230.70 = 6,438,528.20 : x
  2. Step 2: Convert to fraction form
    10,987,488.20/16,488,230.70 = 6,438,528.20/x
  3. Step 3: Cross multiply
    10,987,488.20x = 16,488,230.70 × 6,438,528.20
  4. Step 4: Simplify right side
    10,987,488.20x = 106,159,938,330,055.73
  5. Step 5: Solve for x
    x = 106,159,938,330,055.73/10,987,488.20
  6. Step 6: Final answer
    x = 9,661,893.27

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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.