Home / 12,635,046.78-18,902,703.33-9,569,867.40

Finding the Fourth Proportional to 12,635,046.78, 18,902,703.33 and 9,569,867.40

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Solution

The fourth proportional to 12,635,046.78, 18,902,703.33 and 9,569,867.40 is: 14,317,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,046.78 : 18,902,703.33 = 9,569,867.40 : x
  2. Step 2: Convert to fraction form
    12,635,046.78/18,902,703.33 = 9,569,867.40/x
  3. Step 3: Cross multiply
    12,635,046.78x = 18,902,703.33 × 9,569,867.40
  4. Step 4: Simplify right side
    12,635,046.78x = 180,896,364,369,638.44
  5. Step 5: Solve for x
    x = 180,896,364,369,638.44/12,635,046.78
  6. Step 6: Final answer
    x = 14,317,031.63

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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.