Home / 13,428,178.64-18,530,889.18-7,316,607.14

Finding the Fourth Proportional to 13,428,178.64, 18,530,889.18 and 7,316,607.14

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Solution

The fourth proportional to 13,428,178.64, 18,530,889.18 and 7,316,607.14 is: 10,096,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,178.64 : 18,530,889.18 = 7,316,607.14 : x
  2. Step 2: Convert to fraction form
    13,428,178.64/18,530,889.18 = 7,316,607.14/x
  3. Step 3: Cross multiply
    13,428,178.64x = 18,530,889.18 × 7,316,607.14
  4. Step 4: Simplify right side
    13,428,178.64x = 135,583,236,084,936.73
  5. Step 5: Solve for x
    x = 135,583,236,084,936.73/13,428,178.64
  6. Step 6: Final answer
    x = 10,096,919.30

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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.