Home / 19,508,672.40-29,263,008.60-12,296,821.20

Finding the Fourth Proportional to 19,508,672.40, 29,263,008.60 and 12,296,821.20

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Solution

The fourth proportional to 19,508,672.40, 29,263,008.60 and 12,296,821.20 is: 18,445,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,672.40 : 29,263,008.60 = 12,296,821.20 : x
  2. Step 2: Convert to fraction form
    19,508,672.40/29,263,008.60 = 12,296,821.20/x
  3. Step 3: Cross multiply
    19,508,672.40x = 29,263,008.60 × 12,296,821.20
  4. Step 4: Simplify right side
    19,508,672.40x = 359,841,984,528,262.31
  5. Step 5: Solve for x
    x = 359,841,984,528,262.31/19,508,672.40
  6. Step 6: Final answer
    x = 18,445,231.80

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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.