Home / 9,181,215.20-13,771,822.80-2,791,457.30

Finding the Fourth Proportional to 9,181,215.20, 13,771,822.80 and 2,791,457.30

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Solution

The fourth proportional to 9,181,215.20, 13,771,822.80 and 2,791,457.30 is: 4,187,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,215.20 : 13,771,822.80 = 2,791,457.30 : x
  2. Step 2: Convert to fraction form
    9,181,215.20/13,771,822.80 = 2,791,457.30/x
  3. Step 3: Cross multiply
    9,181,215.20x = 13,771,822.80 × 2,791,457.30
  4. Step 4: Simplify right side
    9,181,215.20x = 38,443,455,289,366.44
  5. Step 5: Solve for x
    x = 38,443,455,289,366.44/9,181,215.20
  6. Step 6: Final answer
    x = 4,187,185.95

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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.