Home / 14,007,201.60-20,998,360.80-8,321,390.40

Finding the Fourth Proportional to 14,007,201.60, 20,998,360.80 and 8,321,390.40

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Solution

The fourth proportional to 14,007,201.60, 20,998,360.80 and 8,321,390.40 is: 12,474,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007,201.60 : 20,998,360.80 = 8,321,390.40 : x
  2. Step 2: Convert to fraction form
    14,007,201.60/20,998,360.80 = 8,321,390.40/x
  3. Step 3: Cross multiply
    14,007,201.60x = 20,998,360.80 × 8,321,390.40
  4. Step 4: Simplify right side
    14,007,201.60x = 174,735,557,976,856.34
  5. Step 5: Solve for x
    x = 174,735,557,976,856.34/14,007,201.60
  6. Step 6: Final answer
    x = 12,474,694.30

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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.