Home / 17,881,920.90-24,677,579.52-12,664,263.78

Finding the Fourth Proportional to 17,881,920.90, 24,677,579.52 and 12,664,263.78

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Solution

The fourth proportional to 17,881,920.90, 24,677,579.52 and 12,664,263.78 is: 17,477,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881,920.90 : 24,677,579.52 = 12,664,263.78 : x
  2. Step 2: Convert to fraction form
    17,881,920.90/24,677,579.52 = 12,664,263.78/x
  3. Step 3: Cross multiply
    17,881,920.90x = 24,677,579.52 × 12,664,263.78
  4. Step 4: Simplify right side
    17,881,920.90x = 312,523,376,493,205.75
  5. Step 5: Solve for x
    x = 312,523,376,493,205.75/17,881,920.90
  6. Step 6: Final answer
    x = 17,477,058.43

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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.