Home / 10,378,870.61-15,569,791.67-3,191,007.97

Finding the Fourth Proportional to 10,378,870.61, 15,569,791.67 and 3,191,007.97

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Solution

The fourth proportional to 10,378,870.61, 15,569,791.67 and 3,191,007.97 is: 4,786,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,870.61 : 15,569,791.67 = 3,191,007.97 : x
  2. Step 2: Convert to fraction form
    10,378,870.61/15,569,791.67 = 3,191,007.97/x
  3. Step 3: Cross multiply
    10,378,870.61x = 15,569,791.67 × 3,191,007.97
  4. Step 4: Simplify right side
    10,378,870.61x = 49,683,329,255,330.09
  5. Step 5: Solve for x
    x = 49,683,329,255,330.09/10,378,870.61
  6. Step 6: Final answer
    x = 4,786,968.75

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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.