Home / 39,851,715.93-54,993,668.79-22,209,679.72

Finding the Fourth Proportional to 39,851,715.93, 54,993,668.79 and 22,209,679.72

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Solution

The fourth proportional to 39,851,715.93, 54,993,668.79 and 22,209,679.72 is: 30,648,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851,715.93 : 54,993,668.79 = 22,209,679.72 : x
  2. Step 2: Convert to fraction form
    39,851,715.93/54,993,668.79 = 22,209,679.72/x
  3. Step 3: Cross multiply
    39,851,715.93x = 54,993,668.79 × 22,209,679.72
  4. Step 4: Simplify right side
    39,851,715.93x = 1,221,391,770,453,659.75
  5. Step 5: Solve for x
    x = 1,221,391,770,453,659.75/39,851,715.93
  6. Step 6: Final answer
    x = 30,648,411.04

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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.