Home / 15,762,916,145.84-21,752,810,227.66-8,897,757,808.52

Finding the Fourth Proportional to 15,762,916,145.84, 21,752,810,227.66 and 8,897,757,808.52

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Solution

The fourth proportional to 15,762,916,145.84, 21,752,810,227.66 and 8,897,757,808.52 is: 12,278,897,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,916,145.84 : 21,752,810,227.66 = 8,897,757,808.52 : x
  2. Step 2: Convert to fraction form
    15,762,916,145.84/21,752,810,227.66 = 8,897,757,808.52/x
  3. Step 3: Cross multiply
    15,762,916,145.84x = 21,752,810,227.66 × 8,897,757,808.52
  4. Step 4: Simplify right side
    15,762,916,145.84x = 193,551,237,060,415,488,000
  5. Step 5: Solve for x
    x = 193,551,237,060,415,488,000/15,762,916,145.84
  6. Step 6: Final answer
    x = 12,278,897,842.86

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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.