Home / 30,975,191.37-42,745,799.52-17,223,860.25

Finding the Fourth Proportional to 30,975,191.37, 42,745,799.52 and 17,223,860.25

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Solution

The fourth proportional to 30,975,191.37, 42,745,799.52 and 17,223,860.25 is: 23,768,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,191.37 : 42,745,799.52 = 17,223,860.25 : x
  2. Step 2: Convert to fraction form
    30,975,191.37/42,745,799.52 = 17,223,860.25/x
  3. Step 3: Cross multiply
    30,975,191.37x = 42,745,799.52 × 17,223,860.25
  4. Step 4: Simplify right side
    30,975,191.37x = 736,247,677,206,997.12
  5. Step 5: Solve for x
    x = 736,247,677,206,997.12/30,975,191.37
  6. Step 6: Final answer
    x = 23,768,946.85

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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.