Home / 21,751,295.43-30,016,189.11-11,961,739.62

Finding the Fourth Proportional to 21,751,295.43, 30,016,189.11 and 11,961,739.62

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Solution

The fourth proportional to 21,751,295.43, 30,016,189.11 and 11,961,739.62 is: 16,506,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,295.43 : 30,016,189.11 = 11,961,739.62 : x
  2. Step 2: Convert to fraction form
    21,751,295.43/30,016,189.11 = 11,961,739.62/x
  3. Step 3: Cross multiply
    21,751,295.43x = 30,016,189.11 × 11,961,739.62
  4. Step 4: Simplify right side
    21,751,295.43x = 359,045,838,518,499.50
  5. Step 5: Solve for x
    x = 359,045,838,518,499.50/21,751,295.43
  6. Step 6: Final answer
    x = 16,506,871.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.