Home / 37,803,912.80-56,668,544.40-18,618,965.60

Finding the Fourth Proportional to 37,803,912.80, 56,668,544.40 and 18,618,965.60

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Solution

The fourth proportional to 37,803,912.80, 56,668,544.40 and 18,618,965.60 is: 27,910,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803,912.80 : 56,668,544.40 = 18,618,965.60 : x
  2. Step 2: Convert to fraction form
    37,803,912.80/56,668,544.40 = 18,618,965.60/x
  3. Step 3: Cross multiply
    37,803,912.80x = 56,668,544.40 × 18,618,965.60
  4. Step 4: Simplify right side
    37,803,912.80x = 1,055,109,678,785,672.75
  5. Step 5: Solve for x
    x = 1,055,109,678,785,672.75/37,803,912.80
  6. Step 6: Final answer
    x = 27,910,065.40

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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.