Home / 12,117,189.48-16,721,768.46-6,610,687.98

Finding the Fourth Proportional to 12,117,189.48, 16,721,768.46 and 6,610,687.98

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Solution

The fourth proportional to 12,117,189.48, 16,721,768.46 and 6,610,687.98 is: 9,122,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,189.48 : 16,721,768.46 = 6,610,687.98 : x
  2. Step 2: Convert to fraction form
    12,117,189.48/16,721,768.46 = 6,610,687.98/x
  3. Step 3: Cross multiply
    12,117,189.48x = 16,721,768.46 × 6,610,687.98
  4. Step 4: Simplify right side
    12,117,189.48x = 110,542,393,762,865.12
  5. Step 5: Solve for x
    x = 110,542,393,762,865.12/12,117,189.48
  6. Step 6: Final answer
    x = 9,122,775.04

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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.