Home / 20,258,509.26-30,390,262.50-6,608,006.12

Finding the Fourth Proportional to 20,258,509.26, 30,390,262.50 and 6,608,006.12

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Solution

The fourth proportional to 20,258,509.26, 30,390,262.50 and 6,608,006.12 is: 9,912,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,509.26 : 30,390,262.50 = 6,608,006.12 : x
  2. Step 2: Convert to fraction form
    20,258,509.26/30,390,262.50 = 6,608,006.12/x
  3. Step 3: Cross multiply
    20,258,509.26x = 30,390,262.50 × 6,608,006.12
  4. Step 4: Simplify right side
    20,258,509.26x = 200,819,040,588,406.50
  5. Step 5: Solve for x
    x = 200,819,040,588,406.50/20,258,509.26
  6. Step 6: Final answer
    x = 9,912,824.19

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1.5x scale

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.