Home / 15,457,760.96-21,332,376.32-8,582,243.52

Finding the Fourth Proportional to 15,457,760.96, 21,332,376.32 and 8,582,243.52

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Solution

The fourth proportional to 15,457,760.96, 21,332,376.32 and 8,582,243.52 is: 11,843,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,760.96 : 21,332,376.32 = 8,582,243.52 : x
  2. Step 2: Convert to fraction form
    15,457,760.96/21,332,376.32 = 8,582,243.52/x
  3. Step 3: Cross multiply
    15,457,760.96x = 21,332,376.32 × 8,582,243.52
  4. Step 4: Simplify right side
    15,457,760.96x = 183,079,648,438,521.44
  5. Step 5: Solve for x
    x = 183,079,648,438,521.44/15,457,760.96
  6. Step 6: Final answer
    x = 11,843,865.93

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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.