Home / 7,827,711.55-10,802,320.19-4,389,878.77

Finding the Fourth Proportional to 7,827,711.55, 10,802,320.19 and 4,389,878.77

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Solution

The fourth proportional to 7,827,711.55, 10,802,320.19 and 4,389,878.77 is: 6,058,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,711.55 : 10,802,320.19 = 4,389,878.77 : x
  2. Step 2: Convert to fraction form
    7,827,711.55/10,802,320.19 = 4,389,878.77/x
  3. Step 3: Cross multiply
    7,827,711.55x = 10,802,320.19 × 4,389,878.77
  4. Step 4: Simplify right side
    7,827,711.55x = 47,420,876,068,823.36
  5. Step 5: Solve for x
    x = 47,420,876,068,823.36/7,827,711.55
  6. Step 6: Final answer
    x = 6,058,076.59

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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.