Home / 20,912,944.56-31,369,441.36-6,536,087.70

Finding the Fourth Proportional to 20,912,944.56, 31,369,441.36 and 6,536,087.70

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Solution

The fourth proportional to 20,912,944.56, 31,369,441.36 and 6,536,087.70 is: 9,804,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,944.56 : 31,369,441.36 = 6,536,087.70 : x
  2. Step 2: Convert to fraction form
    20,912,944.56/31,369,441.36 = 6,536,087.70/x
  3. Step 3: Cross multiply
    20,912,944.56x = 31,369,441.36 × 6,536,087.70
  4. Step 4: Simplify right side
    20,912,944.56x = 205,033,419,828,967.28
  5. Step 5: Solve for x
    x = 205,033,419,828,967.28/20,912,944.56
  6. Step 6: Final answer
    x = 9,804,139.21

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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.