Home / 28,328,577.40-42,555,851.70-27,257,822.20

Finding the Fourth Proportional to 28,328,577.40, 42,555,851.70 and 27,257,822.20

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Solution

The fourth proportional to 28,328,577.40, 42,555,851.70 and 27,257,822.20 is: 40,947,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,577.40 : 42,555,851.70 = 27,257,822.20 : x
  2. Step 2: Convert to fraction form
    28,328,577.40/42,555,851.70 = 27,257,822.20/x
  3. Step 3: Cross multiply
    28,328,577.40x = 42,555,851.70 × 27,257,822.20
  4. Step 4: Simplify right side
    28,328,577.40x = 1,159,979,839,208,167.75
  5. Step 5: Solve for x
    x = 1,159,979,839,208,167.75/28,328,577.40
  6. Step 6: Final answer
    x = 40,947,338.19

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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.