Home / 21,276,792.46-31,919,672.31-6,898,739.05

Finding the Fourth Proportional to 21,276,792.46, 31,919,672.31 and 6,898,739.05

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Solution

The fourth proportional to 21,276,792.46, 31,919,672.31 and 6,898,739.05 is: 10,349,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,792.46 : 31,919,672.31 = 6,898,739.05 : x
  2. Step 2: Convert to fraction form
    21,276,792.46/31,919,672.31 = 6,898,739.05/x
  3. Step 3: Cross multiply
    21,276,792.46x = 31,919,672.31 × 6,898,739.05
  4. Step 4: Simplify right side
    21,276,792.46x = 220,205,489,828,200.69
  5. Step 5: Solve for x
    x = 220,205,489,828,200.69/21,276,792.46
  6. Step 6: Final answer
    x = 10,349,562.33

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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.