Home / 7,887,985.92-11,800,847.34-5,974,409.52

Finding the Fourth Proportional to 7,887,985.92, 11,800,847.34 and 5,974,409.52

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Solution

The fourth proportional to 7,887,985.92, 11,800,847.34 and 5,974,409.52 is: 8,938,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,985.92 : 11,800,847.34 = 5,974,409.52 : x
  2. Step 2: Convert to fraction form
    7,887,985.92/11,800,847.34 = 5,974,409.52/x
  3. Step 3: Cross multiply
    7,887,985.92x = 11,800,847.34 × 5,974,409.52
  4. Step 4: Simplify right side
    7,887,985.92x = 70,503,094,692,162.67
  5. Step 5: Solve for x
    x = 70,503,094,692,162.67/7,887,985.92
  6. Step 6: Final answer
    x = 8,938,035.06

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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.