Home / 13,708,773,846.87-18,920,820,996.57-8,892,108,083.95

Finding the Fourth Proportional to 13,708,773,846.87, 18,920,820,996.57 and 8,892,108,083.95

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Solution

The fourth proportional to 13,708,773,846.87, 18,920,820,996.57 and 8,892,108,083.95 is: 12,272,868,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,773,846.87 : 18,920,820,996.57 = 8,892,108,083.95 : x
  2. Step 2: Convert to fraction form
    13,708,773,846.87/18,920,820,996.57 = 8,892,108,083.95/x
  3. Step 3: Cross multiply
    13,708,773,846.87x = 18,920,820,996.57 × 8,892,108,083.95
  4. Step 4: Simplify right side
    13,708,773,846.87x = 168,245,985,338,552,254,464
  5. Step 5: Solve for x
    x = 168,245,985,338,552,254,464/13,708,773,846.87
  6. Step 6: Final answer
    x = 12,272,868,982.88

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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.