Home / 18,454,985.10-27,682,477.65-8,868,051.90

Finding the Fourth Proportional to 18,454,985.10, 27,682,477.65 and 8,868,051.90

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Solution

The fourth proportional to 18,454,985.10, 27,682,477.65 and 8,868,051.90 is: 13,302,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,985.10 : 27,682,477.65 = 8,868,051.90 : x
  2. Step 2: Convert to fraction form
    18,454,985.10/27,682,477.65 = 8,868,051.90/x
  3. Step 3: Cross multiply
    18,454,985.10x = 27,682,477.65 × 8,868,051.90
  4. Step 4: Simplify right side
    18,454,985.10x = 245,489,648,520,790.03
  5. Step 5: Solve for x
    x = 245,489,648,520,790.03/18,454,985.10
  6. Step 6: Final answer
    x = 13,302,077.85

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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.