Home / 9,287,540.20-13,931,310.30-4,982,868.10

Finding the Fourth Proportional to 9,287,540.20, 13,931,310.30 and 4,982,868.10

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Solution

The fourth proportional to 9,287,540.20, 13,931,310.30 and 4,982,868.10 is: 7,474,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,540.20 : 13,931,310.30 = 4,982,868.10 : x
  2. Step 2: Convert to fraction form
    9,287,540.20/13,931,310.30 = 4,982,868.10/x
  3. Step 3: Cross multiply
    9,287,540.20x = 13,931,310.30 × 4,982,868.10
  4. Step 4: Simplify right side
    9,287,540.20x = 69,417,881,685,071.43
  5. Step 5: Solve for x
    x = 69,417,881,685,071.43/9,287,540.20
  6. Step 6: Final answer
    x = 7,474,302.15

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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.