Home / 15,162,013,753.80-20,922,950,400.86-8,295,376,693.56

Finding the Fourth Proportional to 15,162,013,753.80, 20,922,950,400.86 and 8,295,376,693.56

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Solution

The fourth proportional to 15,162,013,753.80, 20,922,950,400.86 and 8,295,376,693.56 is: 11,447,275,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162,013,753.80 : 20,922,950,400.86 = 8,295,376,693.56 : x
  2. Step 2: Convert to fraction form
    15,162,013,753.80/20,922,950,400.86 = 8,295,376,693.56/x
  3. Step 3: Cross multiply
    15,162,013,753.80x = 20,922,950,400.86 × 8,295,376,693.56
  4. Step 4: Simplify right side
    15,162,013,753.80x = 173,563,755,115,805,933,568
  5. Step 5: Solve for x
    x = 173,563,755,115,805,933,568/15,162,013,753.80
  6. Step 6: Final answer
    x = 11,447,275,931.42

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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.