Home / 11,178,162.25-16,762,987.23-7,338,957.87

Finding the Fourth Proportional to 11,178,162.25, 16,762,987.23 and 7,338,957.87

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Solution

The fourth proportional to 11,178,162.25, 16,762,987.23 and 7,338,957.87 is: 11,005,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,162.25 : 16,762,987.23 = 7,338,957.87 : x
  2. Step 2: Convert to fraction form
    11,178,162.25/16,762,987.23 = 7,338,957.87/x
  3. Step 3: Cross multiply
    11,178,162.25x = 16,762,987.23 × 7,338,957.87
  4. Step 4: Simplify right side
    11,178,162.25x = 123,022,856,972,503.08
  5. Step 5: Solve for x
    x = 123,022,856,972,503.08/11,178,162.25
  6. Step 6: Final answer
    x = 11,005,642.45

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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.