Home / 21,342,424-31,994,018.94-7,692,229.72

Finding the Fourth Proportional to 21,342,424, 31,994,018.94 and 7,692,229.72

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Solution

The fourth proportional to 21,342,424, 31,994,018.94 and 7,692,229.72 is: 11,531,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342,424 : 31,994,018.94 = 7,692,229.72 : x
  2. Step 2: Convert to fraction form
    21,342,424/31,994,018.94 = 7,692,229.72/x
  3. Step 3: Cross multiply
    21,342,424x = 31,994,018.94 × 7,692,229.72
  4. Step 4: Simplify right side
    21,342,424x = 246,105,343,352,510.91
  5. Step 5: Solve for x
    x = 246,105,343,352,510.91/21,342,424
  6. Step 6: Final answer
    x = 11,531,274.21

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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.