Home / 13,613,276.42-20,419,840.64-7,852,275.62

Finding the Fourth Proportional to 13,613,276.42, 20,419,840.64 and 7,852,275.62

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Solution

The fourth proportional to 13,613,276.42, 20,419,840.64 and 7,852,275.62 is: 11,778,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,276.42 : 20,419,840.64 = 7,852,275.62 : x
  2. Step 2: Convert to fraction form
    13,613,276.42/20,419,840.64 = 7,852,275.62/x
  3. Step 3: Cross multiply
    13,613,276.42x = 20,419,840.64 × 7,852,275.62
  4. Step 4: Simplify right side
    13,613,276.42x = 160,342,216,680,396.62
  5. Step 5: Solve for x
    x = 160,342,216,680,396.62/13,613,276.42
  6. Step 6: Final answer
    x = 11,778,370.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.