Home / 18,243,692.02-27,369,794.58-5,290,112.89

Finding the Fourth Proportional to 18,243,692.02, 27,369,794.58 and 5,290,112.89

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Solution

The fourth proportional to 18,243,692.02, 27,369,794.58 and 5,290,112.89 is: 7,936,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243,692.02 : 27,369,794.58 = 5,290,112.89 : x
  2. Step 2: Convert to fraction form
    18,243,692.02/27,369,794.58 = 5,290,112.89/x
  3. Step 3: Cross multiply
    18,243,692.02x = 27,369,794.58 × 5,290,112.89
  4. Step 4: Simplify right side
    18,243,692.02x = 144,789,303,104,310.12
  5. Step 5: Solve for x
    x = 144,789,303,104,310.12/18,243,692.02
  6. Step 6: Final answer
    x = 7,936,403.60

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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.