Home / 11,805,331.50-17,668,000.80-7,259,259.72

Finding the Fourth Proportional to 11,805,331.50, 17,668,000.80 and 7,259,259.72

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Solution

The fourth proportional to 11,805,331.50, 17,668,000.80 and 7,259,259.72 is: 10,864,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805,331.50 : 17,668,000.80 = 7,259,259.72 : x
  2. Step 2: Convert to fraction form
    11,805,331.50/17,668,000.80 = 7,259,259.72/x
  3. Step 3: Cross multiply
    11,805,331.50x = 17,668,000.80 × 7,259,259.72
  4. Step 4: Simplify right side
    11,805,331.50x = 128,256,606,540,367.78
  5. Step 5: Solve for x
    x = 128,256,606,540,367.78/11,805,331.50
  6. Step 6: Final answer
    x = 10,864,295.22

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1.5x scale

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.