Home / 21,576,886.71-29,776,542.60-11,787,964.93

Finding the Fourth Proportional to 21,576,886.71, 29,776,542.60 and 11,787,964.93

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Solution

The fourth proportional to 21,576,886.71, 29,776,542.60 and 11,787,964.93 is: 16,267,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,886.71 : 29,776,542.60 = 11,787,964.93 : x
  2. Step 2: Convert to fraction form
    21,576,886.71/29,776,542.60 = 11,787,964.93/x
  3. Step 3: Cross multiply
    21,576,886.71x = 29,776,542.60 × 11,787,964.93
  4. Step 4: Simplify right side
    21,576,886.71x = 351,004,839,756,568.38
  5. Step 5: Solve for x
    x = 351,004,839,756,568.38/21,576,886.71
  6. Step 6: Final answer
    x = 16,267,631.40

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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.