Home / 7,153,279.32-9,871,480.62-4,056,390.12

Finding the Fourth Proportional to 7,153,279.32, 9,871,480.62 and 4,056,390.12

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Solution

The fourth proportional to 7,153,279.32, 9,871,480.62 and 4,056,390.12 is: 5,597,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,279.32 : 9,871,480.62 = 4,056,390.12 : x
  2. Step 2: Convert to fraction form
    7,153,279.32/9,871,480.62 = 4,056,390.12/x
  3. Step 3: Cross multiply
    7,153,279.32x = 9,871,480.62 × 4,056,390.12
  4. Step 4: Simplify right side
    7,153,279.32x = 40,042,576,456,739.47
  5. Step 5: Solve for x
    x = 40,042,576,456,739.47/7,153,279.32
  6. Step 6: Final answer
    x = 5,597,792.94

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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.