Home / 20,185,776.06-30,277,199.88-7,887,427.62

Finding the Fourth Proportional to 20,185,776.06, 30,277,199.88 and 7,887,427.62

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Solution

The fourth proportional to 20,185,776.06, 30,277,199.88 and 7,887,427.62 is: 11,830,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,776.06 : 30,277,199.88 = 7,887,427.62 : x
  2. Step 2: Convert to fraction form
    20,185,776.06/30,277,199.88 = 7,887,427.62/x
  3. Step 3: Cross multiply
    20,185,776.06x = 30,277,199.88 × 7,887,427.62
  4. Step 4: Simplify right side
    20,185,776.06x = 238,809,222,589,772.69
  5. Step 5: Solve for x
    x = 238,809,222,589,772.69/20,185,776.06
  6. Step 6: Final answer
    x = 11,830,569.30

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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.