Home / 31,829,672.72-47,710,515-18,153,375.44

Finding the Fourth Proportional to 31,829,672.72, 47,710,515 and 18,153,375.44

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Solution

The fourth proportional to 31,829,672.72, 47,710,515 and 18,153,375.44 is: 27,210,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829,672.72 : 47,710,515 = 18,153,375.44 : x
  2. Step 2: Convert to fraction form
    31,829,672.72/47,710,515 = 18,153,375.44/x
  3. Step 3: Cross multiply
    31,829,672.72x = 47,710,515 × 18,153,375.44
  4. Step 4: Simplify right side
    31,829,672.72x = 866,106,891,230,751.62
  5. Step 5: Solve for x
    x = 866,106,891,230,751.62/31,829,672.72
  6. Step 6: Final answer
    x = 27,210,675.36

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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.