Home / 27,129,744.60-40,694,616.90-9,178,848.60

Finding the Fourth Proportional to 27,129,744.60, 40,694,616.90 and 9,178,848.60

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Solution

The fourth proportional to 27,129,744.60, 40,694,616.90 and 9,178,848.60 is: 13,768,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129,744.60 : 40,694,616.90 = 9,178,848.60 : x
  2. Step 2: Convert to fraction form
    27,129,744.60/40,694,616.90 = 9,178,848.60/x
  3. Step 3: Cross multiply
    27,129,744.60x = 40,694,616.90 × 9,178,848.60
  4. Step 4: Simplify right side
    27,129,744.60x = 373,529,727,360,101.31
  5. Step 5: Solve for x
    x = 373,529,727,360,101.31/27,129,744.60
  6. Step 6: Final answer
    x = 13,768,272.90

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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.