Home / 9,631,244.80-13,290,765.12-5,280,235.70

Finding the Fourth Proportional to 9,631,244.80, 13,290,765.12 and 5,280,235.70

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Solution

The fourth proportional to 9,631,244.80, 13,290,765.12 and 5,280,235.70 is: 7,286,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,244.80 : 13,290,765.12 = 5,280,235.70 : x
  2. Step 2: Convert to fraction form
    9,631,244.80/13,290,765.12 = 5,280,235.70/x
  3. Step 3: Cross multiply
    9,631,244.80x = 13,290,765.12 × 5,280,235.70
  4. Step 4: Simplify right side
    9,631,244.80x = 70,178,372,466,938.78
  5. Step 5: Solve for x
    x = 70,178,372,466,938.78/9,631,244.80
  6. Step 6: Final answer
    x = 7,286,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.