Home / 13,654,763.42-18,843,943.95-8,151,333.75

Finding the Fourth Proportional to 13,654,763.42, 18,843,943.95 and 8,151,333.75

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Solution

The fourth proportional to 13,654,763.42, 18,843,943.95 and 8,151,333.75 is: 11,249,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654,763.42 : 18,843,943.95 = 8,151,333.75 : x
  2. Step 2: Convert to fraction form
    13,654,763.42/18,843,943.95 = 8,151,333.75/x
  3. Step 3: Cross multiply
    13,654,763.42x = 18,843,943.95 × 8,151,333.75
  4. Step 4: Simplify right side
    13,654,763.42x = 153,603,276,302,743.31
  5. Step 5: Solve for x
    x = 153,603,276,302,743.31/13,654,763.42
  6. Step 6: Final answer
    x = 11,249,061.71

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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.