Home / 19,419,481.89-29,133,060.16-7,123,559.38

Finding the Fourth Proportional to 19,419,481.89, 29,133,060.16 and 7,123,559.38

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Solution

The fourth proportional to 19,419,481.89, 29,133,060.16 and 7,123,559.38 is: 10,686,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,481.89 : 29,133,060.16 = 7,123,559.38 : x
  2. Step 2: Convert to fraction form
    19,419,481.89/29,133,060.16 = 7,123,559.38/x
  3. Step 3: Cross multiply
    19,419,481.89x = 29,133,060.16 × 7,123,559.38
  4. Step 4: Simplify right side
    19,419,481.89x = 207,531,083,935,254.50
  5. Step 5: Solve for x
    x = 207,531,083,935,254.50/19,419,481.89
  6. Step 6: Final answer
    x = 10,686,746.70

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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.