Home / 14,131,570.30-21,198,910.65-5,158,066.30

Finding the Fourth Proportional to 14,131,570.30, 21,198,910.65 and 5,158,066.30

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Solution

The fourth proportional to 14,131,570.30, 21,198,910.65 and 5,158,066.30 is: 7,737,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,570.30 : 21,198,910.65 = 5,158,066.30 : x
  2. Step 2: Convert to fraction form
    14,131,570.30/21,198,910.65 = 5,158,066.30/x
  3. Step 3: Cross multiply
    14,131,570.30x = 21,198,910.65 × 5,158,066.30
  4. Step 4: Simplify right side
    14,131,570.30x = 109,345,386,620,476.08
  5. Step 5: Solve for x
    x = 109,345,386,620,476.08/14,131,570.30
  6. Step 6: Final answer
    x = 7,737,667.10

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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.