Home / 12,898,748.96-17,800,764.73-7,393,186.28

Finding the Fourth Proportional to 12,898,748.96, 17,800,764.73 and 7,393,186.28

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Solution

The fourth proportional to 12,898,748.96, 17,800,764.73 and 7,393,186.28 is: 10,202,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,748.96 : 17,800,764.73 = 7,393,186.28 : x
  2. Step 2: Convert to fraction form
    12,898,748.96/17,800,764.73 = 7,393,186.28/x
  3. Step 3: Cross multiply
    12,898,748.96x = 17,800,764.73 × 7,393,186.28
  4. Step 4: Simplify right side
    12,898,748.96x = 131,604,369,575,343.91
  5. Step 5: Solve for x
    x = 131,604,369,575,343.91/12,898,748.96
  6. Step 6: Final answer
    x = 10,202,878.59

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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.