Home / 18,977,409-26,188,785.54-10,275,579

Finding the Fourth Proportional to 18,977,409, 26,188,785.54 and 10,275,579

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Solution

The fourth proportional to 18,977,409, 26,188,785.54 and 10,275,579 is: 14,180,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977,409 : 26,188,785.54 = 10,275,579 : x
  2. Step 2: Convert to fraction form
    18,977,409/26,188,785.54 = 10,275,579/x
  3. Step 3: Cross multiply
    18,977,409x = 26,188,785.54 × 10,275,579
  4. Step 4: Simplify right side
    18,977,409x = 269,104,934,730,327.66
  5. Step 5: Solve for x
    x = 269,104,934,730,327.66/18,977,409
  6. Step 6: Final answer
    x = 14,180,277.97

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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.