Home / 13,668,723.27-18,867,584.75-7,869,816.23

Finding the Fourth Proportional to 13,668,723.27, 18,867,584.75 and 7,869,816.23

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Solution

The fourth proportional to 13,668,723.27, 18,867,584.75 and 7,869,816.23 is: 10,863,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,723.27 : 18,867,584.75 = 7,869,816.23 : x
  2. Step 2: Convert to fraction form
    13,668,723.27/18,867,584.75 = 7,869,816.23/x
  3. Step 3: Cross multiply
    13,668,723.27x = 18,867,584.75 × 7,869,816.23
  4. Step 4: Simplify right side
    13,668,723.27x = 148,484,424,552,763.50
  5. Step 5: Solve for x
    x = 148,484,424,552,763.50/13,668,723.27
  6. Step 6: Final answer
    x = 10,863,079.28

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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.