Home / 26,430,065.40-39,645,098.10-18,367,908.60

Finding the Fourth Proportional to 26,430,065.40, 39,645,098.10 and 18,367,908.60

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Solution

The fourth proportional to 26,430,065.40, 39,645,098.10 and 18,367,908.60 is: 27,551,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430,065.40 : 39,645,098.10 = 18,367,908.60 : x
  2. Step 2: Convert to fraction form
    26,430,065.40/39,645,098.10 = 18,367,908.60/x
  3. Step 3: Cross multiply
    26,430,065.40x = 39,645,098.10 × 18,367,908.60
  4. Step 4: Simplify right side
    26,430,065.40x = 728,197,538,338,833.75
  5. Step 5: Solve for x
    x = 728,197,538,338,833.75/26,430,065.40
  6. Step 6: Final answer
    x = 27,551,862.90

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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.