Home / 18,372,991.20-27,559,486.80-8,142,751.95

Finding the Fourth Proportional to 18,372,991.20, 27,559,486.80 and 8,142,751.95

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Solution

The fourth proportional to 18,372,991.20, 27,559,486.80 and 8,142,751.95 is: 12,214,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,991.20 : 27,559,486.80 = 8,142,751.95 : x
  2. Step 2: Convert to fraction form
    18,372,991.20/27,559,486.80 = 8,142,751.95/x
  3. Step 3: Cross multiply
    18,372,991.20x = 27,559,486.80 × 8,142,751.95
  4. Step 4: Simplify right side
    18,372,991.20x = 224,410,064,881,699.28
  5. Step 5: Solve for x
    x = 224,410,064,881,699.28/18,372,991.20
  6. Step 6: Final answer
    x = 12,214,127.93

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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.