Home / 20,825,430.15-31,258,295.60-10,050,316.05

Finding the Fourth Proportional to 20,825,430.15, 31,258,295.60 and 10,050,316.05

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Solution

The fourth proportional to 20,825,430.15, 31,258,295.60 and 10,050,316.05 is: 15,085,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825,430.15 : 31,258,295.60 = 10,050,316.05 : x
  2. Step 2: Convert to fraction form
    20,825,430.15/31,258,295.60 = 10,050,316.05/x
  3. Step 3: Cross multiply
    20,825,430.15x = 31,258,295.60 × 10,050,316.05
  4. Step 4: Simplify right side
    20,825,430.15x = 314,155,749,964,324.44
  5. Step 5: Solve for x
    x = 314,155,749,964,324.44/20,825,430.15
  6. Step 6: Final answer
    x = 15,085,198.61

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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.