Home / 21,482,419.60-32,223,629.40-11,927,270.80

Finding the Fourth Proportional to 21,482,419.60, 32,223,629.40 and 11,927,270.80

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Solution

The fourth proportional to 21,482,419.60, 32,223,629.40 and 11,927,270.80 is: 17,890,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,419.60 : 32,223,629.40 = 11,927,270.80 : x
  2. Step 2: Convert to fraction form
    21,482,419.60/32,223,629.40 = 11,927,270.80/x
  3. Step 3: Cross multiply
    21,482,419.60x = 32,223,629.40 × 11,927,270.80
  4. Step 4: Simplify right side
    21,482,419.60x = 384,339,954,012,641.50
  5. Step 5: Solve for x
    x = 384,339,954,012,641.50/21,482,419.60
  6. Step 6: Final answer
    x = 17,890,906.20

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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.