Home / 13,197,965.90-18,213,906.78-7,398,610.52

Finding the Fourth Proportional to 13,197,965.90, 18,213,906.78 and 7,398,610.52

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Solution

The fourth proportional to 13,197,965.90, 18,213,906.78 and 7,398,610.52 is: 10,210,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,965.90 : 18,213,906.78 = 7,398,610.52 : x
  2. Step 2: Convert to fraction form
    13,197,965.90/18,213,906.78 = 7,398,610.52/x
  3. Step 3: Cross multiply
    13,197,965.90x = 18,213,906.78 × 7,398,610.52
  4. Step 4: Simplify right side
    13,197,965.90x = 134,757,602,241,757.06
  5. Step 5: Solve for x
    x = 134,757,602,241,757.06/13,197,965.90
  6. Step 6: Final answer
    x = 10,210,482.68

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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.