Home / 21,070,045.89-31,605,068.84-5,923,977.39

Finding the Fourth Proportional to 21,070,045.89, 31,605,068.84 and 5,923,977.39

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Solution

The fourth proportional to 21,070,045.89, 31,605,068.84 and 5,923,977.39 is: 8,885,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070,045.89 : 31,605,068.84 = 5,923,977.39 : x
  2. Step 2: Convert to fraction form
    21,070,045.89/31,605,068.84 = 5,923,977.39/x
  3. Step 3: Cross multiply
    21,070,045.89x = 31,605,068.84 × 5,923,977.39
  4. Step 4: Simplify right side
    21,070,045.89x = 187,227,713,187,933.62
  5. Step 5: Solve for x
    x = 187,227,713,187,933.62/21,070,045.89
  6. Step 6: Final answer
    x = 8,885,966.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.