Home / 12,131,480.23-16,743,605.19-7,169,719.02

Finding the Fourth Proportional to 12,131,480.23, 16,743,605.19 and 7,169,719.02

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Solution

The fourth proportional to 12,131,480.23, 16,743,605.19 and 7,169,719.02 is: 9,895,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,480.23 : 16,743,605.19 = 7,169,719.02 : x
  2. Step 2: Convert to fraction form
    12,131,480.23/16,743,605.19 = 7,169,719.02/x
  3. Step 3: Cross multiply
    12,131,480.23x = 16,743,605.19 × 7,169,719.02
  4. Step 4: Simplify right side
    12,131,480.23x = 120,046,944,594,113.70
  5. Step 5: Solve for x
    x = 120,046,944,594,113.70/12,131,480.23
  6. Step 6: Final answer
    x = 9,895,490.27

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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.