Home / 7,827,711.80-10,802,320.53-4,389,879.02

Finding the Fourth Proportional to 7,827,711.80, 10,802,320.53 and 4,389,879.02

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Solution

The fourth proportional to 7,827,711.80, 10,802,320.53 and 4,389,879.02 is: 6,058,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,711.80 : 10,802,320.53 = 4,389,879.02 : x
  2. Step 2: Convert to fraction form
    7,827,711.80/10,802,320.53 = 4,389,879.02/x
  3. Step 3: Cross multiply
    7,827,711.80x = 10,802,320.53 × 4,389,879.02
  4. Step 4: Simplify right side
    7,827,711.80x = 47,420,880,261,962.27
  5. Step 5: Solve for x
    x = 47,420,880,261,962.27/7,827,711.80
  6. Step 6: Final answer
    x = 6,058,076.93

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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.