Home / 12,986,244.04-17,916,664.89-7,479,508.63

Finding the Fourth Proportional to 12,986,244.04, 17,916,664.89 and 7,479,508.63

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Solution

The fourth proportional to 12,986,244.04, 17,916,664.89 and 7,479,508.63 is: 10,319,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,244.04 : 17,916,664.89 = 7,479,508.63 : x
  2. Step 2: Convert to fraction form
    12,986,244.04/17,916,664.89 = 7,479,508.63/x
  3. Step 3: Cross multiply
    12,986,244.04x = 17,916,664.89 × 7,479,508.63
  4. Step 4: Simplify right side
    12,986,244.04x = 134,007,849,665,573
  5. Step 5: Solve for x
    x = 134,007,849,665,573/12,986,244.04
  6. Step 6: Final answer
    x = 10,319,215.41

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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.