Home / 19,360,073.20-29,040,109.80-18,509,767.60

Finding the Fourth Proportional to 19,360,073.20, 29,040,109.80 and 18,509,767.60

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Solution

The fourth proportional to 19,360,073.20, 29,040,109.80 and 18,509,767.60 is: 27,764,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,073.20 : 29,040,109.80 = 18,509,767.60 : x
  2. Step 2: Convert to fraction form
    19,360,073.20/29,040,109.80 = 18,509,767.60/x
  3. Step 3: Cross multiply
    19,360,073.20x = 29,040,109.80 × 18,509,767.60
  4. Step 4: Simplify right side
    19,360,073.20x = 537,525,683,476,482.56
  5. Step 5: Solve for x
    x = 537,525,683,476,482.56/19,360,073.20
  6. Step 6: Final answer
    x = 27,764,651.40

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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.