Home / 10,900,311.60-16,346,530.80-5,507,169.60

Finding the Fourth Proportional to 10,900,311.60, 16,346,530.80 and 5,507,169.60

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Solution

The fourth proportional to 10,900,311.60, 16,346,530.80 and 5,507,169.60 is: 8,258,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,311.60 : 16,346,530.80 = 5,507,169.60 : x
  2. Step 2: Convert to fraction form
    10,900,311.60/16,346,530.80 = 5,507,169.60/x
  3. Step 3: Cross multiply
    10,900,311.60x = 16,346,530.80 × 5,507,169.60
  4. Step 4: Simplify right side
    10,900,311.60x = 90,023,117,487,223.67
  5. Step 5: Solve for x
    x = 90,023,117,487,223.67/10,900,311.60
  6. Step 6: Final answer
    x = 8,258,765.51

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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.