Home / 34,450,840.22-47,543,015.61-21,215,006.87

Finding the Fourth Proportional to 34,450,840.22, 47,543,015.61 and 21,215,006.87

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Solution

The fourth proportional to 34,450,840.22, 47,543,015.61 and 21,215,006.87 is: 29,277,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450,840.22 : 47,543,015.61 = 21,215,006.87 : x
  2. Step 2: Convert to fraction form
    34,450,840.22/47,543,015.61 = 21,215,006.87/x
  3. Step 3: Cross multiply
    34,450,840.22x = 47,543,015.61 × 21,215,006.87
  4. Step 4: Simplify right side
    34,450,840.22x = 1,008,625,402,548,952.12
  5. Step 5: Solve for x
    x = 1,008,625,402,548,952.12/34,450,840.22
  6. Step 6: Final answer
    x = 29,277,236.67

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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.