Home / 21,896,883.60-30,217,160.82-12,107,076.99

Finding the Fourth Proportional to 21,896,883.60, 30,217,160.82 and 12,107,076.99

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Solution

The fourth proportional to 21,896,883.60, 30,217,160.82 and 12,107,076.99 is: 16,707,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,883.60 : 30,217,160.82 = 12,107,076.99 : x
  2. Step 2: Convert to fraction form
    21,896,883.60/30,217,160.82 = 12,107,076.99/x
  3. Step 3: Cross multiply
    21,896,883.60x = 30,217,160.82 × 12,107,076.99
  4. Step 4: Simplify right side
    21,896,883.60x = 365,841,492,466,951.56
  5. Step 5: Solve for x
    x = 365,841,492,466,951.56/21,896,883.60
  6. Step 6: Final answer
    x = 16,707,468.48

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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.