Home / 20,358,186.36-28,093,585.35-11,190,763.50

Finding the Fourth Proportional to 20,358,186.36, 28,093,585.35 and 11,190,763.50

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Solution

The fourth proportional to 20,358,186.36, 28,093,585.35 and 11,190,763.50 is: 15,442,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,186.36 : 28,093,585.35 = 11,190,763.50 : x
  2. Step 2: Convert to fraction form
    20,358,186.36/28,093,585.35 = 11,190,763.50/x
  3. Step 3: Cross multiply
    20,358,186.36x = 28,093,585.35 × 11,190,763.50
  4. Step 4: Simplify right side
    20,358,186.36x = 314,388,669,518,914.75
  5. Step 5: Solve for x
    x = 314,388,669,518,914.75/20,358,186.36
  6. Step 6: Final answer
    x = 15,442,862.34

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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.