Home / 19,360,070.20-29,040,105.30-18,509,764.60

Finding the Fourth Proportional to 19,360,070.20, 29,040,105.30 and 18,509,764.60

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Solution

The fourth proportional to 19,360,070.20, 29,040,105.30 and 18,509,764.60 is: 27,764,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,070.20 : 29,040,105.30 = 18,509,764.60 : x
  2. Step 2: Convert to fraction form
    19,360,070.20/29,040,105.30 = 18,509,764.60/x
  3. Step 3: Cross multiply
    19,360,070.20x = 29,040,105.30 × 18,509,764.60
  4. Step 4: Simplify right side
    19,360,070.20x = 537,525,513,062,212.44
  5. Step 5: Solve for x
    x = 537,525,513,062,212.44/19,360,070.20
  6. Step 6: Final answer
    x = 27,764,646.90

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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.