Home / 19,382,279.20-29,017,431.60-11,824,007.20

Finding the Fourth Proportional to 19,382,279.20, 29,017,431.60 and 11,824,007.20

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Solution

The fourth proportional to 19,382,279.20, 29,017,431.60 and 11,824,007.20 is: 17,701,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382,279.20 : 29,017,431.60 = 11,824,007.20 : x
  2. Step 2: Convert to fraction form
    19,382,279.20/29,017,431.60 = 11,824,007.20/x
  3. Step 3: Cross multiply
    19,382,279.20x = 29,017,431.60 × 11,824,007.20
  4. Step 4: Simplify right side
    19,382,279.20x = 343,102,320,163,907.50
  5. Step 5: Solve for x
    x = 343,102,320,163,907.50/19,382,279.20
  6. Step 6: Final answer
    x = 17,701,856.25

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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.