Home / 19,760,471.22-29,674,627.50-12,128,929.26

Finding the Fourth Proportional to 19,760,471.22, 29,674,627.50 and 12,128,929.26

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Solution

The fourth proportional to 19,760,471.22, 29,674,627.50 and 12,128,929.26 is: 18,214,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760,471.22 : 29,674,627.50 = 12,128,929.26 : x
  2. Step 2: Convert to fraction form
    19,760,471.22/29,674,627.50 = 12,128,929.26/x
  3. Step 3: Cross multiply
    19,760,471.22x = 29,674,627.50 × 12,128,929.26
  4. Step 4: Simplify right side
    19,760,471.22x = 359,921,457,764,350.62
  5. Step 5: Solve for x
    x = 359,921,457,764,350.62/19,760,471.22
  6. Step 6: Final answer
    x = 18,214,214.31

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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.