Home / 19,719,106.20-27,209,661.48-11,016,197.28

Finding the Fourth Proportional to 19,719,106.20, 27,209,661.48 and 11,016,197.28

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Solution

The fourth proportional to 19,719,106.20, 27,209,661.48 and 11,016,197.28 is: 15,200,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719,106.20 : 27,209,661.48 = 11,016,197.28 : x
  2. Step 2: Convert to fraction form
    19,719,106.20/27,209,661.48 = 11,016,197.28/x
  3. Step 3: Cross multiply
    19,719,106.20x = 27,209,661.48 × 11,016,197.28
  4. Step 4: Simplify right side
    19,719,106.20x = 299,746,998,785,696.75
  5. Step 5: Solve for x
    x = 299,746,998,785,696.75/19,719,106.20
  6. Step 6: Final answer
    x = 15,200,841.04

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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.