Home / 10,259,989.60-15,391,366.80-3,530,466.40

Finding the Fourth Proportional to 10,259,989.60, 15,391,366.80 and 3,530,466.40

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Solution

The fourth proportional to 10,259,989.60, 15,391,366.80 and 3,530,466.40 is: 5,296,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259,989.60 : 15,391,366.80 = 3,530,466.40 : x
  2. Step 2: Convert to fraction form
    10,259,989.60/15,391,366.80 = 3,530,466.40/x
  3. Step 3: Cross multiply
    10,259,989.60x = 15,391,366.80 × 3,530,466.40
  4. Step 4: Simplify right side
    10,259,989.60x = 54,338,703,337,475.52
  5. Step 5: Solve for x
    x = 54,338,703,337,475.52/10,259,989.60
  6. Step 6: Final answer
    x = 5,296,175.28

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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.