Home / 13,195,000.12-18,198,304.36-9,287,690.89

Finding the Fourth Proportional to 13,195,000.12, 18,198,304.36 and 9,287,690.89

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Solution

The fourth proportional to 13,195,000.12, 18,198,304.36 and 9,287,690.89 is: 12,809,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,000.12 : 18,198,304.36 = 9,287,690.89 : x
  2. Step 2: Convert to fraction form
    13,195,000.12/18,198,304.36 = 9,287,690.89/x
  3. Step 3: Cross multiply
    13,195,000.12x = 18,198,304.36 × 9,287,690.89
  4. Step 4: Simplify right side
    13,195,000.12x = 169,020,225,617,819.28
  5. Step 5: Solve for x
    x = 169,020,225,617,819.28/13,195,000.12
  6. Step 6: Final answer
    x = 12,809,414.48

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1.5x scale

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.