Home / 18,217,539.60-27,322,810.20-5,438,461.20

Finding the Fourth Proportional to 18,217,539.60, 27,322,810.20 and 5,438,461.20

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Solution

The fourth proportional to 18,217,539.60, 27,322,810.20 and 5,438,461.20 is: 8,156,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,539.60 : 27,322,810.20 = 5,438,461.20 : x
  2. Step 2: Convert to fraction form
    18,217,539.60/27,322,810.20 = 5,438,461.20/x
  3. Step 3: Cross multiply
    18,217,539.60x = 27,322,810.20 × 5,438,461.20
  4. Step 4: Simplify right side
    18,217,539.60x = 148,594,043,147,664.25
  5. Step 5: Solve for x
    x = 148,594,043,147,664.25/18,217,539.60
  6. Step 6: Final answer
    x = 8,156,647.19

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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.