Home / 14,689,354.41-20,270,019.83-8,162,570.43

Finding the Fourth Proportional to 14,689,354.41, 20,270,019.83 and 8,162,570.43

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Solution

The fourth proportional to 14,689,354.41, 20,270,019.83 and 8,162,570.43 is: 11,263,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689,354.41 : 20,270,019.83 = 8,162,570.43 : x
  2. Step 2: Convert to fraction form
    14,689,354.41/20,270,019.83 = 8,162,570.43/x
  3. Step 3: Cross multiply
    14,689,354.41x = 20,270,019.83 × 8,162,570.43
  4. Step 4: Simplify right side
    14,689,354.41x = 165,455,464,439,058.75
  5. Step 5: Solve for x
    x = 165,455,464,439,058.75/14,689,354.41
  6. Step 6: Final answer
    x = 11,263,630.78

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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.