Home / 20,216,501.36-30,338,396.66-7,918,939.32

Finding the Fourth Proportional to 20,216,501.36, 30,338,396.66 and 7,918,939.32

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Solution

The fourth proportional to 20,216,501.36, 30,338,396.66 and 7,918,939.32 is: 11,883,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,501.36 : 30,338,396.66 = 7,918,939.32 : x
  2. Step 2: Convert to fraction form
    20,216,501.36/30,338,396.66 = 7,918,939.32/x
  3. Step 3: Cross multiply
    20,216,501.36x = 30,338,396.66 × 7,918,939.32
  4. Step 4: Simplify right side
    20,216,501.36x = 240,247,922,194,391.53
  5. Step 5: Solve for x
    x = 240,247,922,194,391.53/20,216,501.36
  6. Step 6: Final answer
    x = 11,883,753.67

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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.