Home / 30,521,947.20-45,782,920.80-11,348,736.90

Finding the Fourth Proportional to 30,521,947.20, 45,782,920.80 and 11,348,736.90

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Solution

The fourth proportional to 30,521,947.20, 45,782,920.80 and 11,348,736.90 is: 17,023,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,947.20 : 45,782,920.80 = 11,348,736.90 : x
  2. Step 2: Convert to fraction form
    30,521,947.20/45,782,920.80 = 11,348,736.90/x
  3. Step 3: Cross multiply
    30,521,947.20x = 45,782,920.80 × 11,348,736.90
  4. Step 4: Simplify right side
    30,521,947.20x = 519,578,322,672,737.50
  5. Step 5: Solve for x
    x = 519,578,322,672,737.50/30,521,947.20
  6. Step 6: Final answer
    x = 17,023,105.35

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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.