Home / 7,827,711.30-10,802,319.84-4,389,878.52

Finding the Fourth Proportional to 7,827,711.30, 10,802,319.84 and 4,389,878.52

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Solution

The fourth proportional to 7,827,711.30, 10,802,319.84 and 4,389,878.52 is: 6,058,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,711.30 : 10,802,319.84 = 4,389,878.52 : x
  2. Step 2: Convert to fraction form
    7,827,711.30/10,802,319.84 = 4,389,878.52/x
  3. Step 3: Cross multiply
    7,827,711.30x = 10,802,319.84 × 4,389,878.52
  4. Step 4: Simplify right side
    7,827,711.30x = 47,420,871,831,785.83
  5. Step 5: Solve for x
    x = 47,420,871,831,785.83/7,827,711.30
  6. Step 6: Final answer
    x = 6,058,076.24

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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.