Home / 12,585,321.63-17,357,877-8,613,946.71

Finding the Fourth Proportional to 12,585,321.63, 17,357,877 and 8,613,946.71

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Solution

The fourth proportional to 12,585,321.63, 17,357,877 and 8,613,946.71 is: 11,880,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,321.63 : 17,357,877 = 8,613,946.71 : x
  2. Step 2: Convert to fraction form
    12,585,321.63/17,357,877 = 8,613,946.71/x
  3. Step 3: Cross multiply
    12,585,321.63x = 17,357,877 × 8,613,946.71
  4. Step 4: Simplify right side
    12,585,321.63x = 149,519,827,476,734.69
  5. Step 5: Solve for x
    x = 149,519,827,476,734.69/12,585,321.63
  6. Step 6: Final answer
    x = 11,880,493.15

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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.