Home / 21,957,496.89-30,302,010.08-12,167,025.09

Finding the Fourth Proportional to 21,957,496.89, 30,302,010.08 and 12,167,025.09

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Solution

The fourth proportional to 21,957,496.89, 30,302,010.08 and 12,167,025.09 is: 16,790,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957,496.89 : 30,302,010.08 = 12,167,025.09 : x
  2. Step 2: Convert to fraction form
    21,957,496.89/30,302,010.08 = 12,167,025.09/x
  3. Step 3: Cross multiply
    21,957,496.89x = 30,302,010.08 × 12,167,025.09
  4. Step 4: Simplify right side
    21,957,496.89x = 368,685,316,920,792.88
  5. Step 5: Solve for x
    x = 368,685,316,920,792.88/21,957,496.89
  6. Step 6: Final answer
    x = 16,790,862.76

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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.