Home / 21,250,495.56-29,323,422.72-11,957,903.68

Finding the Fourth Proportional to 21,250,495.56, 29,323,422.72 and 11,957,903.68

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Solution

The fourth proportional to 21,250,495.56, 29,323,422.72 and 11,957,903.68 is: 16,500,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,495.56 : 29,323,422.72 = 11,957,903.68 : x
  2. Step 2: Convert to fraction form
    21,250,495.56/29,323,422.72 = 11,957,903.68/x
  3. Step 3: Cross multiply
    21,250,495.56x = 29,323,422.72 × 11,957,903.68
  4. Step 4: Simplify right side
    21,250,495.56x = 350,646,664,453,683.56
  5. Step 5: Solve for x
    x = 350,646,664,453,683.56/21,250,495.56
  6. Step 6: Final answer
    x = 16,500,634.70

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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.