Home / 28,197,160.80-42,211,760.40-16,831,759.20

Finding the Fourth Proportional to 28,197,160.80, 42,211,760.40 and 16,831,759.20

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Solution

The fourth proportional to 28,197,160.80, 42,211,760.40 and 16,831,759.20 is: 25,197,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197,160.80 : 42,211,760.40 = 16,831,759.20 : x
  2. Step 2: Convert to fraction form
    28,197,160.80/42,211,760.40 = 16,831,759.20/x
  3. Step 3: Cross multiply
    28,197,160.80x = 42,211,760.40 × 16,831,759.20
  4. Step 4: Simplify right side
    28,197,160.80x = 710,498,186,460,895.62
  5. Step 5: Solve for x
    x = 710,498,186,460,895.62/28,197,160.80
  6. Step 6: Final answer
    x = 25,197,508.06

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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.