Home / 30,219,747.24-45,343,005.48-15,839,396.04

Finding the Fourth Proportional to 30,219,747.24, 45,343,005.48 and 15,839,396.04

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Solution

The fourth proportional to 30,219,747.24, 45,343,005.48 and 15,839,396.04 is: 23,766,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219,747.24 : 45,343,005.48 = 15,839,396.04 : x
  2. Step 2: Convert to fraction form
    30,219,747.24/45,343,005.48 = 15,839,396.04/x
  3. Step 3: Cross multiply
    30,219,747.24x = 45,343,005.48 × 15,839,396.04
  4. Step 4: Simplify right side
    30,219,747.24x = 718,205,821,441,610.25
  5. Step 5: Solve for x
    x = 718,205,821,441,610.25/30,219,747.24
  6. Step 6: Final answer
    x = 23,766,109.48

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1.5x scale

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.