Home / 7,874,571-10,871,631.90-5,163,040.92

Finding the Fourth Proportional to 7,874,571, 10,871,631.90 and 5,163,040.92

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Solution

The fourth proportional to 7,874,571, 10,871,631.90 and 5,163,040.92 is: 7,128,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,571 : 10,871,631.90 = 5,163,040.92 : x
  2. Step 2: Convert to fraction form
    7,874,571/10,871,631.90 = 5,163,040.92/x
  3. Step 3: Cross multiply
    7,874,571x = 10,871,631.90 × 5,163,040.92
  4. Step 4: Simplify right side
    7,874,571x = 56,130,680,366,877.35
  5. Step 5: Solve for x
    x = 56,130,680,366,877.35/7,874,571
  6. Step 6: Final answer
    x = 7,128,093.75

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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.