Home / 13,667,061.37-18,864,287.22-8,507,359.75

Finding the Fourth Proportional to 13,667,061.37, 18,864,287.22 and 8,507,359.75

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Solution

The fourth proportional to 13,667,061.37, 18,864,287.22 and 8,507,359.75 is: 11,742,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,061.37 : 18,864,287.22 = 8,507,359.75 : x
  2. Step 2: Convert to fraction form
    13,667,061.37/18,864,287.22 = 8,507,359.75/x
  3. Step 3: Cross multiply
    13,667,061.37x = 18,864,287.22 × 8,507,359.75
  4. Step 4: Simplify right side
    13,667,061.37x = 160,485,277,807,867.38
  5. Step 5: Solve for x
    x = 160,485,277,807,867.38/13,667,061.37
  6. Step 6: Final answer
    x = 11,742,486.07

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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.