Home / 21,897,149.18-30,216,767.51-12,106,824.98

Finding the Fourth Proportional to 21,897,149.18, 30,216,767.51 and 12,106,824.98

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Solution

The fourth proportional to 21,897,149.18, 30,216,767.51 and 12,106,824.98 is: 16,706,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897,149.18 : 30,216,767.51 = 12,106,824.98 : x
  2. Step 2: Convert to fraction form
    21,897,149.18/30,216,767.51 = 12,106,824.98/x
  3. Step 3: Cross multiply
    21,897,149.18x = 30,216,767.51 × 12,106,824.98
  4. Step 4: Simplify right side
    21,897,149.18x = 365,829,115,493,302.44
  5. Step 5: Solve for x
    x = 365,829,115,493,302.44/21,897,149.18
  6. Step 6: Final answer
    x = 16,706,700.61

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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.