Home / 20,369,602.15-28,109,661.15-11,202,244.90

Finding the Fourth Proportional to 20,369,602.15, 28,109,661.15 and 11,202,244.90

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Solution

The fourth proportional to 20,369,602.15, 28,109,661.15 and 11,202,244.90 is: 15,458,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369,602.15 : 28,109,661.15 = 11,202,244.90 : x
  2. Step 2: Convert to fraction form
    20,369,602.15/28,109,661.15 = 11,202,244.90/x
  3. Step 3: Cross multiply
    20,369,602.15x = 28,109,661.15 × 11,202,244.90
  4. Step 4: Simplify right side
    20,369,602.15x = 314,891,308,258,315.62
  5. Step 5: Solve for x
    x = 314,891,308,258,315.62/20,369,602.15
  6. Step 6: Final answer
    x = 15,458,883.58

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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.