Home / 20,715,717,797.34-28,587,636,790.34-11,560,150,639.73

Finding the Fourth Proportional to 20,715,717,797.34, 28,587,636,790.34 and 11,560,150,639.73

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Solution

The fourth proportional to 20,715,717,797.34, 28,587,636,790.34 and 11,560,150,639.73 is: 15,952,977,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,717,797.34 : 28,587,636,790.34 = 11,560,150,639.73 : x
  2. Step 2: Convert to fraction form
    20,715,717,797.34/28,587,636,790.34 = 11,560,150,639.73/x
  3. Step 3: Cross multiply
    20,715,717,797.34x = 28,587,636,790.34 × 11,560,150,639.73
  4. Step 4: Simplify right side
    20,715,717,797.34x = 330,477,387,730,245,779,456
  5. Step 5: Solve for x
    x = 330,477,387,730,245,779,456/20,715,717,797.34
  6. Step 6: Final answer
    x = 15,952,977,877.15

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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.