Home / 12,237,647.79-16,887,987.70-6,731,586.93

Finding the Fourth Proportional to 12,237,647.79, 16,887,987.70 and 6,731,586.93

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Solution

The fourth proportional to 12,237,647.79, 16,887,987.70 and 6,731,586.93 is: 9,289,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,647.79 : 16,887,987.70 = 6,731,586.93 : x
  2. Step 2: Convert to fraction form
    12,237,647.79/16,887,987.70 = 6,731,586.93/x
  3. Step 3: Cross multiply
    12,237,647.79x = 16,887,987.70 × 6,731,586.93
  4. Step 4: Simplify right side
    12,237,647.79x = 113,682,957,275,320.75
  5. Step 5: Solve for x
    x = 113,682,957,275,320.75/12,237,647.79
  6. Step 6: Final answer
    x = 9,289,608.53

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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.