Home / 13,989,016.00-20,960,326.06-8,507,530.81

Finding the Fourth Proportional to 13,989,016.00, 20,960,326.06 and 8,507,530.81

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Solution

The fourth proportional to 13,989,016.00, 20,960,326.06 and 8,507,530.81 is: 12,747,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,016.00 : 20,960,326.06 = 8,507,530.81 : x
  2. Step 2: Convert to fraction form
    13,989,016.00/20,960,326.06 = 8,507,530.81/x
  3. Step 3: Cross multiply
    13,989,016.00x = 20,960,326.06 × 8,507,530.81
  4. Step 4: Simplify right side
    13,989,016.00x = 178,320,619,748,027.47
  5. Step 5: Solve for x
    x = 178,320,619,748,027.47/13,989,016.00
  6. Step 6: Final answer
    x = 12,747,188.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.