Home / 18,303,645.60-27,455,468.40-4,656,765.60

Finding the Fourth Proportional to 18,303,645.60, 27,455,468.40 and 4,656,765.60

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Solution

The fourth proportional to 18,303,645.60, 27,455,468.40 and 4,656,765.60 is: 6,985,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,645.60 : 27,455,468.40 = 4,656,765.60 : x
  2. Step 2: Convert to fraction form
    18,303,645.60/27,455,468.40 = 4,656,765.60/x
  3. Step 3: Cross multiply
    18,303,645.60x = 27,455,468.40 × 4,656,765.60
  4. Step 4: Simplify right side
    18,303,645.60x = 127,853,680,777,007.02
  5. Step 5: Solve for x
    x = 127,853,680,777,007.02/18,303,645.60
  6. Step 6: Final answer
    x = 6,985,148.40

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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.