Home / 28,056,656.70-42,084,985.05-27,216,848.70

Finding the Fourth Proportional to 28,056,656.70, 42,084,985.05 and 27,216,848.70

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Solution

The fourth proportional to 28,056,656.70, 42,084,985.05 and 27,216,848.70 is: 40,825,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,656.70 : 42,084,985.05 = 27,216,848.70 : x
  2. Step 2: Convert to fraction form
    28,056,656.70/42,084,985.05 = 27,216,848.70/x
  3. Step 3: Cross multiply
    28,056,656.70x = 42,084,985.05 × 27,216,848.70
  4. Step 4: Simplify right side
    28,056,656.70x = 1,145,420,670,647,611.75
  5. Step 5: Solve for x
    x = 1,145,420,670,647,611.75/28,056,656.70
  6. Step 6: Final answer
    x = 40,825,273.05

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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.