Home / 21,521,053,747.44-29,698,971,709.32-12,005,597,918.52

Finding the Fourth Proportional to 21,521,053,747.44, 29,698,971,709.32 and 12,005,597,918.52

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Solution

The fourth proportional to 21,521,053,747.44, 29,698,971,709.32 and 12,005,597,918.52 is: 16,567,679,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,053,747.44 : 29,698,971,709.32 = 12,005,597,918.52 : x
  2. Step 2: Convert to fraction form
    21,521,053,747.44/29,698,971,709.32 = 12,005,597,918.52/x
  3. Step 3: Cross multiply
    21,521,053,747.44x = 29,698,971,709.32 × 12,005,597,918.52
  4. Step 4: Simplify right side
    21,521,053,747.44x = 356,553,912,935,596,556,288
  5. Step 5: Solve for x
    x = 356,553,912,935,596,556,288/21,521,053,747.44
  6. Step 6: Final answer
    x = 16,567,679,125.75

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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.