Home / 21,250,491.06-29,323,416.51-11,957,899.17

Finding the Fourth Proportional to 21,250,491.06, 29,323,416.51 and 11,957,899.17

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Solution

The fourth proportional to 21,250,491.06, 29,323,416.51 and 11,957,899.17 is: 16,500,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,491.06 : 29,323,416.51 = 11,957,899.17 : x
  2. Step 2: Convert to fraction form
    21,250,491.06/29,323,416.51 = 11,957,899.17/x
  3. Step 3: Cross multiply
    21,250,491.06x = 29,323,416.51 × 11,957,899.17
  4. Step 4: Simplify right side
    21,250,491.06x = 350,646,457,946,493.31
  5. Step 5: Solve for x
    x = 350,646,457,946,493.31/21,250,491.06
  6. Step 6: Final answer
    x = 16,500,628.48

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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.