Home / 7,873,031.52-10,864,821.60-4,435,326.72

Finding the Fourth Proportional to 7,873,031.52, 10,864,821.60 and 4,435,326.72

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Solution

The fourth proportional to 7,873,031.52, 10,864,821.60 and 4,435,326.72 is: 6,120,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,031.52 : 10,864,821.60 = 4,435,326.72 : x
  2. Step 2: Convert to fraction form
    7,873,031.52/10,864,821.60 = 4,435,326.72/x
  3. Step 3: Cross multiply
    7,873,031.52x = 10,864,821.60 × 4,435,326.72
  4. Step 4: Simplify right side
    7,873,031.52x = 48,189,033,550,513.15
  5. Step 5: Solve for x
    x = 48,189,033,550,513.15/7,873,031.52
  6. Step 6: Final answer
    x = 6,120,772.34

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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.