Home / 14,445,338.89-19,935,828.81-7,920,229.48

Finding the Fourth Proportional to 14,445,338.89, 19,935,828.81 and 7,920,229.48

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Solution

The fourth proportional to 14,445,338.89, 19,935,828.81 and 7,920,229.48 is: 10,930,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445,338.89 : 19,935,828.81 = 7,920,229.48 : x
  2. Step 2: Convert to fraction form
    14,445,338.89/19,935,828.81 = 7,920,229.48/x
  3. Step 3: Cross multiply
    14,445,338.89x = 19,935,828.81 × 7,920,229.48
  4. Step 4: Simplify right side
    14,445,338.89x = 157,896,339,049,195.31
  5. Step 5: Solve for x
    x = 157,896,339,049,195.31/14,445,338.89
  6. Step 6: Final answer
    x = 10,930,608.15

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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.