Home / 28,056,985.20-42,085,477.80-27,217,177.20

Finding the Fourth Proportional to 28,056,985.20, 42,085,477.80 and 27,217,177.20

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Solution

The fourth proportional to 28,056,985.20, 42,085,477.80 and 27,217,177.20 is: 40,825,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,985.20 : 42,085,477.80 = 27,217,177.20 : x
  2. Step 2: Convert to fraction form
    28,056,985.20/42,085,477.80 = 27,217,177.20/x
  3. Step 3: Cross multiply
    28,056,985.20x = 42,085,477.80 × 27,217,177.20
  4. Step 4: Simplify right side
    28,056,985.20x = 1,145,447,906,829,266
  5. Step 5: Solve for x
    x = 1,145,447,906,829,266/28,056,985.20
  6. Step 6: Final answer
    x = 40,825,765.80

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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.