Home / 20,591,313.74-30,889,595.01-7,815,472.10

Finding the Fourth Proportional to 20,591,313.74, 30,889,595.01 and 7,815,472.10

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Solution

The fourth proportional to 20,591,313.74, 30,889,595.01 and 7,815,472.10 is: 11,724,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,313.74 : 30,889,595.01 = 7,815,472.10 : x
  2. Step 2: Convert to fraction form
    20,591,313.74/30,889,595.01 = 7,815,472.10/x
  3. Step 3: Cross multiply
    20,591,313.74x = 30,889,595.01 × 7,815,472.10
  4. Step 4: Simplify right side
    20,591,313.74x = 241,416,767,980,954.22
  5. Step 5: Solve for x
    x = 241,416,767,980,954.22/20,591,313.74
  6. Step 6: Final answer
    x = 11,724,204.25

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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.