Home / 7,428,045.48-11,127,721.32-5,479,341

Finding the Fourth Proportional to 7,428,045.48, 11,127,721.32 and 5,479,341

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Solution

The fourth proportional to 7,428,045.48, 11,127,721.32 and 5,479,341 is: 8,208,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,045.48 : 11,127,721.32 = 5,479,341 : x
  2. Step 2: Convert to fraction form
    7,428,045.48/11,127,721.32 = 5,479,341/x
  3. Step 3: Cross multiply
    7,428,045.48x = 11,127,721.32 × 5,479,341
  4. Step 4: Simplify right side
    7,428,045.48x = 60,972,579,665,250.12
  5. Step 5: Solve for x
    x = 60,972,579,665,250.12/7,428,045.48
  6. Step 6: Final answer
    x = 8,208,428.43

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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.