Home / 15,323,733.70-21,145,795.91-8,448,215.76

Finding the Fourth Proportional to 15,323,733.70, 21,145,795.91 and 8,448,215.76

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Solution

The fourth proportional to 15,323,733.70, 21,145,795.91 and 8,448,215.76 is: 11,658,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,733.70 : 21,145,795.91 = 8,448,215.76 : x
  2. Step 2: Convert to fraction form
    15,323,733.70/21,145,795.91 = 8,448,215.76/x
  3. Step 3: Cross multiply
    15,323,733.70x = 21,145,795.91 × 8,448,215.76
  4. Step 4: Simplify right side
    15,323,733.70x = 178,644,246,254,045.28
  5. Step 5: Solve for x
    x = 178,644,246,254,045.28/15,323,733.70
  6. Step 6: Final answer
    x = 11,658,010.36

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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.