Home / 20,291,233.55-28,001,151.84-10,998,604.10

Finding the Fourth Proportional to 20,291,233.55, 28,001,151.84 and 10,998,604.10

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Solution

The fourth proportional to 20,291,233.55, 28,001,151.84 and 10,998,604.10 is: 15,177,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291,233.55 : 28,001,151.84 = 10,998,604.10 : x
  2. Step 2: Convert to fraction form
    20,291,233.55/28,001,151.84 = 10,998,604.10/x
  3. Step 3: Cross multiply
    20,291,233.55x = 28,001,151.84 × 10,998,604.10
  4. Step 4: Simplify right side
    20,291,233.55x = 307,973,583,485,736.81
  5. Step 5: Solve for x
    x = 307,973,583,485,736.81/20,291,233.55
  6. Step 6: Final answer
    x = 15,177,666.88

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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.