Home / 13,654,758.90-18,843,937.74-8,151,329.25

Finding the Fourth Proportional to 13,654,758.90, 18,843,937.74 and 8,151,329.25

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Solution

The fourth proportional to 13,654,758.90, 18,843,937.74 and 8,151,329.25 is: 11,249,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654,758.90 : 18,843,937.74 = 8,151,329.25 : x
  2. Step 2: Convert to fraction form
    13,654,758.90/18,843,937.74 = 8,151,329.25/x
  3. Step 3: Cross multiply
    13,654,758.90x = 18,843,937.74 × 8,151,329.25
  4. Step 4: Simplify right side
    13,654,758.90x = 153,603,140,815,236.53
  5. Step 5: Solve for x
    x = 153,603,140,815,236.53/13,654,758.90
  6. Step 6: Final answer
    x = 11,249,055.51

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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.