Home / 28,257,625.85-42,359,534.39-9,074,930.81

Finding the Fourth Proportional to 28,257,625.85, 42,359,534.39 and 9,074,930.81

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Solution

The fourth proportional to 28,257,625.85, 42,359,534.39 and 9,074,930.81 is: 13,603,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257,625.85 : 42,359,534.39 = 9,074,930.81 : x
  2. Step 2: Convert to fraction form
    28,257,625.85/42,359,534.39 = 9,074,930.81/x
  3. Step 3: Cross multiply
    28,257,625.85x = 42,359,534.39 × 9,074,930.81
  4. Step 4: Simplify right side
    28,257,625.85x = 384,409,843,543,955.19
  5. Step 5: Solve for x
    x = 384,409,843,543,955.19/28,257,625.85
  6. Step 6: Final answer
    x = 13,603,755.87

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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.