Home / 13,111,537.80-19,667,306.70-8,065,691.40

Finding the Fourth Proportional to 13,111,537.80, 19,667,306.70 and 8,065,691.40

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Solution

The fourth proportional to 13,111,537.80, 19,667,306.70 and 8,065,691.40 is: 12,098,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,537.80 : 19,667,306.70 = 8,065,691.40 : x
  2. Step 2: Convert to fraction form
    13,111,537.80/19,667,306.70 = 8,065,691.40/x
  3. Step 3: Cross multiply
    13,111,537.80x = 19,667,306.70 × 8,065,691.40
  4. Step 4: Simplify right side
    13,111,537.80x = 158,630,426,511,352.38
  5. Step 5: Solve for x
    x = 158,630,426,511,352.38/13,111,537.80
  6. Step 6: Final answer
    x = 12,098,537.10

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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.