Home / 14,513,568.51-20,028,718.65-7,987,197.94

Finding the Fourth Proportional to 14,513,568.51, 20,028,718.65 and 7,987,197.94

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Solution

The fourth proportional to 14,513,568.51, 20,028,718.65 and 7,987,197.94 is: 11,022,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513,568.51 : 20,028,718.65 = 7,987,197.94 : x
  2. Step 2: Convert to fraction form
    14,513,568.51/20,028,718.65 = 7,987,197.94/x
  3. Step 3: Cross multiply
    14,513,568.51x = 20,028,718.65 × 7,987,197.94
  4. Step 4: Simplify right side
    14,513,568.51x = 159,973,340,342,119.56
  5. Step 5: Solve for x
    x = 159,973,340,342,119.56/14,513,568.51
  6. Step 6: Final answer
    x = 11,022,329.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.