Home / 31,121,012.80-46,681,519.20-16,772,105.80

Finding the Fourth Proportional to 31,121,012.80, 46,681,519.20 and 16,772,105.80

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Solution

The fourth proportional to 31,121,012.80, 46,681,519.20 and 16,772,105.80 is: 25,158,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,012.80 : 46,681,519.20 = 16,772,105.80 : x
  2. Step 2: Convert to fraction form
    31,121,012.80/46,681,519.20 = 16,772,105.80/x
  3. Step 3: Cross multiply
    31,121,012.80x = 46,681,519.20 × 16,772,105.80
  4. Step 4: Simplify right side
    31,121,012.80x = 782,947,378,927,131.50
  5. Step 5: Solve for x
    x = 782,947,378,927,131.50/31,121,012.80
  6. Step 6: Final answer
    x = 25,158,158.70

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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.