Home / 15,751,748.50-21,737,284.23-8,782,343.26

Finding the Fourth Proportional to 15,751,748.50, 21,737,284.23 and 8,782,343.26

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Solution

The fourth proportional to 15,751,748.50, 21,737,284.23 and 8,782,343.26 is: 12,119,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,748.50 : 21,737,284.23 = 8,782,343.26 : x
  2. Step 2: Convert to fraction form
    15,751,748.50/21,737,284.23 = 8,782,343.26/x
  3. Step 3: Cross multiply
    15,751,748.50x = 21,737,284.23 × 8,782,343.26
  4. Step 4: Simplify right side
    15,751,748.50x = 190,904,291,626,635.38
  5. Step 5: Solve for x
    x = 190,904,291,626,635.38/15,751,748.50
  6. Step 6: Final answer
    x = 12,119,561.94

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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.