Home / 28,017,720.36-41,987,074.50-13,230,037.20

Finding the Fourth Proportional to 28,017,720.36, 41,987,074.50 and 13,230,037.20

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Solution

The fourth proportional to 28,017,720.36, 41,987,074.50 and 13,230,037.20 is: 19,826,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017,720.36 : 41,987,074.50 = 13,230,037.20 : x
  2. Step 2: Convert to fraction form
    28,017,720.36/41,987,074.50 = 13,230,037.20/x
  3. Step 3: Cross multiply
    28,017,720.36x = 41,987,074.50 × 13,230,037.20
  4. Step 4: Simplify right side
    28,017,720.36x = 555,490,557,554,171.38
  5. Step 5: Solve for x
    x = 555,490,557,554,171.38/28,017,720.36
  6. Step 6: Final answer
    x = 19,826,400.95

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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.