Home / 11,351,618.73-15,674,159.61-9,139,454.56

Finding the Fourth Proportional to 11,351,618.73, 15,674,159.61 and 9,139,454.56

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Solution

The fourth proportional to 11,351,618.73, 15,674,159.61 and 9,139,454.56 is: 12,619,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351,618.73 : 15,674,159.61 = 9,139,454.56 : x
  2. Step 2: Convert to fraction form
    11,351,618.73/15,674,159.61 = 9,139,454.56/x
  3. Step 3: Cross multiply
    11,351,618.73x = 15,674,159.61 × 9,139,454.56
  4. Step 4: Simplify right side
    11,351,618.73x = 143,253,269,521,782.31
  5. Step 5: Solve for x
    x = 143,253,269,521,782.31/11,351,618.73
  6. Step 6: Final answer
    x = 12,619,633.63

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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.