Home / 20,757,710.53-31,139,537.34-6,381,985.37

Finding the Fourth Proportional to 20,757,710.53, 31,139,537.34 and 6,381,985.37

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Solution

The fourth proportional to 20,757,710.53, 31,139,537.34 and 6,381,985.37 is: 9,573,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,710.53 : 31,139,537.34 = 6,381,985.37 : x
  2. Step 2: Convert to fraction form
    20,757,710.53/31,139,537.34 = 6,381,985.37/x
  3. Step 3: Cross multiply
    20,757,710.53x = 31,139,537.34 × 6,381,985.37
  4. Step 4: Simplify right side
    20,757,710.53x = 198,732,071,732,448.72
  5. Step 5: Solve for x
    x = 198,732,071,732,448.72/20,757,710.53
  6. Step 6: Final answer
    x = 9,573,891.66

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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.