Home / 19,015,390.91-28,512,763.73-8,634,910.23

Finding the Fourth Proportional to 19,015,390.91, 28,512,763.73 and 8,634,910.23

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Solution

The fourth proportional to 19,015,390.91, 28,512,763.73 and 8,634,910.23 is: 12,947,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015,390.91 : 28,512,763.73 = 8,634,910.23 : x
  2. Step 2: Convert to fraction form
    19,015,390.91/28,512,763.73 = 8,634,910.23/x
  3. Step 3: Cross multiply
    19,015,390.91x = 28,512,763.73 × 8,634,910.23
  4. Step 4: Simplify right side
    19,015,390.91x = 246,205,155,206,956.34
  5. Step 5: Solve for x
    x = 246,205,155,206,956.34/19,015,390.91
  6. Step 6: Final answer
    x = 12,947,677.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.