Home / 21,596,222.94-29,802,892.98-11,806,667.60

Finding the Fourth Proportional to 21,596,222.94, 29,802,892.98 and 11,806,667.60

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Solution

The fourth proportional to 21,596,222.94, 29,802,892.98 and 11,806,667.60 is: 16,293,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596,222.94 : 29,802,892.98 = 11,806,667.60 : x
  2. Step 2: Convert to fraction form
    21,596,222.94/29,802,892.98 = 11,806,667.60/x
  3. Step 3: Cross multiply
    21,596,222.94x = 29,802,892.98 × 11,806,667.60
  4. Step 4: Simplify right side
    21,596,222.94x = 351,872,850,828,494
  5. Step 5: Solve for x
    x = 351,872,850,828,494/21,596,222.94
  6. Step 6: Final answer
    x = 16,293,258.87

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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.