Home / 6,911,298.72-9,539,489.25-4,011,623.78

Finding the Fourth Proportional to 6,911,298.72, 9,539,489.25 and 4,011,623.78

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Solution

The fourth proportional to 6,911,298.72, 9,539,489.25 and 4,011,623.78 is: 5,537,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,298.72 : 9,539,489.25 = 4,011,623.78 : x
  2. Step 2: Convert to fraction form
    6,911,298.72/9,539,489.25 = 4,011,623.78/x
  3. Step 3: Cross multiply
    6,911,298.72x = 9,539,489.25 × 4,011,623.78
  4. Step 4: Simplify right side
    6,911,298.72x = 38,268,841,876,656.91
  5. Step 5: Solve for x
    x = 38,268,841,876,656.91/6,911,298.72
  6. Step 6: Final answer
    x = 5,537,141.92

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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.