Home / 28,205,261.60-42,321,889.20-16,084,032.80

Finding the Fourth Proportional to 28,205,261.60, 42,321,889.20 and 16,084,032.80

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Solution

The fourth proportional to 28,205,261.60, 42,321,889.20 and 16,084,032.80 is: 24,134,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205,261.60 : 42,321,889.20 = 16,084,032.80 : x
  2. Step 2: Convert to fraction form
    28,205,261.60/42,321,889.20 = 16,084,032.80/x
  3. Step 3: Cross multiply
    28,205,261.60x = 42,321,889.20 × 16,084,032.80
  4. Step 4: Simplify right side
    28,205,261.60x = 680,706,654,050,765.88
  5. Step 5: Solve for x
    x = 680,706,654,050,765.88/28,205,261.60
  6. Step 6: Final answer
    x = 24,134,030.87

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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.