Home / 7,878,575.25-10,873,269.68-4,618,129.32

Finding the Fourth Proportional to 7,878,575.25, 10,873,269.68 and 4,618,129.32

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Solution

The fourth proportional to 7,878,575.25, 10,873,269.68 and 4,618,129.32 is: 6,373,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,575.25 : 10,873,269.68 = 4,618,129.32 : x
  2. Step 2: Convert to fraction form
    7,878,575.25/10,873,269.68 = 4,618,129.32/x
  3. Step 3: Cross multiply
    7,878,575.25x = 10,873,269.68 × 4,618,129.32
  4. Step 4: Simplify right side
    7,878,575.25x = 50,214,165,490,384.38
  5. Step 5: Solve for x
    x = 50,214,165,490,384.38/7,878,575.25
  6. Step 6: Final answer
    x = 6,373,508.39

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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.