Home / 15,210,838,120.99-20,966,702,873.66-11,990,496,481.52

Finding the Fourth Proportional to 15,210,838,120.99, 20,966,702,873.66 and 11,990,496,481.52

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Solution

The fourth proportional to 15,210,838,120.99, 20,966,702,873.66 and 11,990,496,481.52 is: 16,527,766,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,838,120.99 : 20,966,702,873.66 = 11,990,496,481.52 : x
  2. Step 2: Convert to fraction form
    15,210,838,120.99/20,966,702,873.66 = 11,990,496,481.52/x
  3. Step 3: Cross multiply
    15,210,838,120.99x = 20,966,702,873.66 × 11,990,496,481.52
  4. Step 4: Simplify right side
    15,210,838,120.99x = 251,401,177,035,785,404,416
  5. Step 5: Solve for x
    x = 251,401,177,035,785,404,416/15,210,838,120.99
  6. Step 6: Final answer
    x = 16,527,766,256.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.