Home / 21,380,124.60-32,032,862.10-18,394,140.60

Finding the Fourth Proportional to 21,380,124.60, 32,032,862.10 and 18,394,140.60

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Solution

The fourth proportional to 21,380,124.60, 32,032,862.10 and 18,394,140.60 is: 27,559,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380,124.60 : 32,032,862.10 = 18,394,140.60 : x
  2. Step 2: Convert to fraction form
    21,380,124.60/32,032,862.10 = 18,394,140.60/x
  3. Step 3: Cross multiply
    21,380,124.60x = 32,032,862.10 × 18,394,140.60
  4. Step 4: Simplify right side
    21,380,124.60x = 589,216,969,287,811.38
  5. Step 5: Solve for x
    x = 589,216,969,287,811.38/21,380,124.60
  6. Step 6: Final answer
    x = 27,559,098.94

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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.