Home / 12,615,832-17,409,854.64-6,814,613.62

Finding the Fourth Proportional to 12,615,832, 17,409,854.64 and 6,814,613.62

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Solution

The fourth proportional to 12,615,832, 17,409,854.64 and 6,814,613.62 is: 9,404,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,832 : 17,409,854.64 = 6,814,613.62 : x
  2. Step 2: Convert to fraction form
    12,615,832/17,409,854.64 = 6,814,613.62/x
  3. Step 3: Cross multiply
    12,615,832x = 17,409,854.64 × 6,814,613.62
  4. Step 4: Simplify right side
    12,615,832x = 118,641,432,551,964.20
  5. Step 5: Solve for x
    x = 118,641,432,551,964.20/12,615,832
  6. Step 6: Final answer
    x = 9,404,170.30

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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.