Home / 9,131,440-12,601,360.32-5,263,939.84

Finding the Fourth Proportional to 9,131,440, 12,601,360.32 and 5,263,939.84

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Solution

The fourth proportional to 9,131,440, 12,601,360.32 and 5,263,939.84 is: 7,264,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,440 : 12,601,360.32 = 5,263,939.84 : x
  2. Step 2: Convert to fraction form
    9,131,440/12,601,360.32 = 5,263,939.84/x
  3. Step 3: Cross multiply
    9,131,440x = 12,601,360.32 × 5,263,939.84
  4. Step 4: Simplify right side
    9,131,440x = 66,332,802,626,643.15
  5. Step 5: Solve for x
    x = 66,332,802,626,643.15/9,131,440
  6. Step 6: Final answer
    x = 7,264,221.48

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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.