Home / 28,328,579.40-42,555,854.70-27,257,824.20

Finding the Fourth Proportional to 28,328,579.40, 42,555,854.70 and 27,257,824.20

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Solution

The fourth proportional to 28,328,579.40, 42,555,854.70 and 27,257,824.20 is: 40,947,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,579.40 : 42,555,854.70 = 27,257,824.20 : x
  2. Step 2: Convert to fraction form
    28,328,579.40/42,555,854.70 = 27,257,824.20/x
  3. Step 3: Cross multiply
    28,328,579.40x = 42,555,854.70 × 27,257,824.20
  4. Step 4: Simplify right side
    28,328,579.40x = 1,159,980,006,093,343.75
  5. Step 5: Solve for x
    x = 1,159,980,006,093,343.75/28,328,579.40
  6. Step 6: Final answer
    x = 40,947,341.19

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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.