Home / 28,139,825.80-42,209,738.70-26,572,184.20

Finding the Fourth Proportional to 28,139,825.80, 42,209,738.70 and 26,572,184.20

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Solution

The fourth proportional to 28,139,825.80, 42,209,738.70 and 26,572,184.20 is: 39,858,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,825.80 : 42,209,738.70 = 26,572,184.20 : x
  2. Step 2: Convert to fraction form
    28,139,825.80/42,209,738.70 = 26,572,184.20/x
  3. Step 3: Cross multiply
    28,139,825.80x = 42,209,738.70 × 26,572,184.20
  4. Step 4: Simplify right side
    28,139,825.80x = 1,121,604,951,770,268.62
  5. Step 5: Solve for x
    x = 1,121,604,951,770,268.62/28,139,825.80
  6. Step 6: Final answer
    x = 39,858,276.30

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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.