Home / 19,422,101.20-29,133,151.80-6,643,022.80

Finding the Fourth Proportional to 19,422,101.20, 29,133,151.80 and 6,643,022.80

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Solution

The fourth proportional to 19,422,101.20, 29,133,151.80 and 6,643,022.80 is: 9,964,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,101.20 : 29,133,151.80 = 6,643,022.80 : x
  2. Step 2: Convert to fraction form
    19,422,101.20/29,133,151.80 = 6,643,022.80/x
  3. Step 3: Cross multiply
    19,422,101.20x = 29,133,151.80 × 6,643,022.80
  4. Step 4: Simplify right side
    19,422,101.20x = 193,532,191,643,261.03
  5. Step 5: Solve for x
    x = 193,532,191,643,261.03/19,422,101.20
  6. Step 6: Final answer
    x = 9,964,534.20

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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.