Home / 11,721,990.40-17,582,110.80-4,896,800.80

Finding the Fourth Proportional to 11,721,990.40, 17,582,110.80 and 4,896,800.80

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Solution

The fourth proportional to 11,721,990.40, 17,582,110.80 and 4,896,800.80 is: 7,344,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,990.40 : 17,582,110.80 = 4,896,800.80 : x
  2. Step 2: Convert to fraction form
    11,721,990.40/17,582,110.80 = 4,896,800.80/x
  3. Step 3: Cross multiply
    11,721,990.40x = 17,582,110.80 × 4,896,800.80
  4. Step 4: Simplify right side
    11,721,990.40x = 86,096,094,231,128.64
  5. Step 5: Solve for x
    x = 86,096,094,231,128.64/11,721,990.40
  6. Step 6: Final answer
    x = 7,344,835.76

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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.