Home / 13,434,066.11-18,539,016.22-7,632,855.47

Finding the Fourth Proportional to 13,434,066.11, 18,539,016.22 and 7,632,855.47

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Solution

The fourth proportional to 13,434,066.11, 18,539,016.22 and 7,632,855.47 is: 10,533,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,066.11 : 18,539,016.22 = 7,632,855.47 : x
  2. Step 2: Convert to fraction form
    13,434,066.11/18,539,016.22 = 7,632,855.47/x
  3. Step 3: Cross multiply
    13,434,066.11x = 18,539,016.22 × 7,632,855.47
  4. Step 4: Simplify right side
    13,434,066.11x = 141,505,631,419,134.34
  5. Step 5: Solve for x
    x = 141,505,631,419,134.34/13,434,066.11
  6. Step 6: Final answer
    x = 10,533,343.38

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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.