Home / 9,642,270.15-13,306,496.13-5,291,761.23

Finding the Fourth Proportional to 9,642,270.15, 13,306,496.13 and 5,291,761.23

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Solution

The fourth proportional to 9,642,270.15, 13,306,496.13 and 5,291,761.23 is: 7,302,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,270.15 : 13,306,496.13 = 5,291,761.23 : x
  2. Step 2: Convert to fraction form
    9,642,270.15/13,306,496.13 = 5,291,761.23/x
  3. Step 3: Cross multiply
    9,642,270.15x = 13,306,496.13 × 5,291,761.23
  4. Step 4: Simplify right side
    9,642,270.15x = 70,414,800,327,879.05
  5. Step 5: Solve for x
    x = 70,414,800,327,879.05/9,642,270.15
  6. Step 6: Final answer
    x = 7,302,720.13

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Double scale
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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.