Home / 19,241,685.36-28,863,874.80-7,727,150.88

Finding the Fourth Proportional to 19,241,685.36, 28,863,874.80 and 7,727,150.88

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Solution

The fourth proportional to 19,241,685.36, 28,863,874.80 and 7,727,150.88 is: 11,591,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241,685.36 : 28,863,874.80 = 7,727,150.88 : x
  2. Step 2: Convert to fraction form
    19,241,685.36/28,863,874.80 = 7,727,150.88/x
  3. Step 3: Cross multiply
    19,241,685.36x = 28,863,874.80 × 7,727,150.88
  4. Step 4: Simplify right side
    19,241,685.36x = 223,035,515,561,029.81
  5. Step 5: Solve for x
    x = 223,035,515,561,029.81/19,241,685.36
  6. Step 6: Final answer
    x = 11,591,267.16

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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.