Home / 37,068,511.80-55,562,217.30-13,121,657.40

Finding the Fourth Proportional to 37,068,511.80, 55,562,217.30 and 13,121,657.40

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Solution

The fourth proportional to 37,068,511.80, 55,562,217.30 and 13,121,657.40 is: 19,668,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068,511.80 : 55,562,217.30 = 13,121,657.40 : x
  2. Step 2: Convert to fraction form
    37,068,511.80/55,562,217.30 = 13,121,657.40/x
  3. Step 3: Cross multiply
    37,068,511.80x = 55,562,217.30 × 13,121,657.40
  4. Step 4: Simplify right side
    37,068,511.80x = 729,068,379,794,953
  5. Step 5: Solve for x
    x = 729,068,379,794,953/37,068,511.80
  6. Step 6: Final answer
    x = 19,668,131.91

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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.