Home / 13,164,663.85-18,165,644.35-7,584,735.82

Finding the Fourth Proportional to 13,164,663.85, 18,165,644.35 and 7,584,735.82

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Solution

The fourth proportional to 13,164,663.85, 18,165,644.35 and 7,584,735.82 is: 10,466,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164,663.85 : 18,165,644.35 = 7,584,735.82 : x
  2. Step 2: Convert to fraction form
    13,164,663.85/18,165,644.35 = 7,584,735.82/x
  3. Step 3: Cross multiply
    13,164,663.85x = 18,165,644.35 × 7,584,735.82
  4. Step 4: Simplify right side
    13,164,663.85x = 137,781,613,361,301.16
  5. Step 5: Solve for x
    x = 137,781,613,361,301.16/13,164,663.85
  6. Step 6: Final answer
    x = 10,466,018.34

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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.