Home / 13,195,004.38-18,198,310.22-9,287,695.14

Finding the Fourth Proportional to 13,195,004.38, 18,198,310.22 and 9,287,695.14

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Solution

The fourth proportional to 13,195,004.38, 18,198,310.22 and 9,287,695.14 is: 12,809,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,004.38 : 18,198,310.22 = 9,287,695.14 : x
  2. Step 2: Convert to fraction form
    13,195,004.38/18,198,310.22 = 9,287,695.14/x
  3. Step 3: Cross multiply
    13,195,004.38x = 18,198,310.22 × 9,287,695.14
  4. Step 4: Simplify right side
    13,195,004.38x = 169,020,357,386,506.34
  5. Step 5: Solve for x
    x = 169,020,357,386,506.34/13,195,004.38
  6. Step 6: Final answer
    x = 12,809,420.33

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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.