Home / 18,127,638.42-27,182,087.55-5,346,512.34

Finding the Fourth Proportional to 18,127,638.42, 27,182,087.55 and 5,346,512.34

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Solution

The fourth proportional to 18,127,638.42, 27,182,087.55 and 5,346,512.34 is: 8,017,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,638.42 : 27,182,087.55 = 5,346,512.34 : x
  2. Step 2: Convert to fraction form
    18,127,638.42/27,182,087.55 = 5,346,512.34/x
  3. Step 3: Cross multiply
    18,127,638.42x = 27,182,087.55 × 5,346,512.34
  4. Step 4: Simplify right side
    18,127,638.42x = 145,329,366,513,035.38
  5. Step 5: Solve for x
    x = 145,329,366,513,035.38/18,127,638.42
  6. Step 6: Final answer
    x = 8,017,004.93

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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.