Home / 9,131,879.36-12,601,347.02-5,210,716.68

Finding the Fourth Proportional to 9,131,879.36, 12,601,347.02 and 5,210,716.68

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Solution

The fourth proportional to 9,131,879.36, 12,601,347.02 and 5,210,716.68 is: 7,190,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,879.36 : 12,601,347.02 = 5,210,716.68 : x
  2. Step 2: Convert to fraction form
    9,131,879.36/12,601,347.02 = 5,210,716.68/x
  3. Step 3: Cross multiply
    9,131,879.36x = 12,601,347.02 × 5,210,716.68
  4. Step 4: Simplify right side
    9,131,879.36x = 65,662,049,107,582.29
  5. Step 5: Solve for x
    x = 65,662,049,107,582.29/9,131,879.36
  6. Step 6: Final answer
    x = 7,190,420.12

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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.