Home / 21,743,269.75-30,004,947.41-11,953,642.96

Finding the Fourth Proportional to 21,743,269.75, 30,004,947.41 and 11,953,642.96

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Solution

The fourth proportional to 21,743,269.75, 30,004,947.41 and 11,953,642.96 is: 16,495,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,269.75 : 30,004,947.41 = 11,953,642.96 : x
  2. Step 2: Convert to fraction form
    21,743,269.75/30,004,947.41 = 11,953,642.96/x
  3. Step 3: Cross multiply
    21,743,269.75x = 30,004,947.41 × 11,953,642.96
  4. Step 4: Simplify right side
    21,743,269.75x = 358,668,428,372,716.75
  5. Step 5: Solve for x
    x = 358,668,428,372,716.75/21,743,269.75
  6. Step 6: Final answer
    x = 16,495,606.80

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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.