Home / 19,128,046.98-28,675,082.54-7,453,715.42

Finding the Fourth Proportional to 19,128,046.98, 28,675,082.54 and 7,453,715.42

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Solution

The fourth proportional to 19,128,046.98, 28,675,082.54 and 7,453,715.42 is: 11,173,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,046.98 : 28,675,082.54 = 7,453,715.42 : x
  2. Step 2: Convert to fraction form
    19,128,046.98/28,675,082.54 = 7,453,715.42/x
  3. Step 3: Cross multiply
    19,128,046.98x = 28,675,082.54 × 7,453,715.42
  4. Step 4: Simplify right side
    19,128,046.98x = 213,735,904,898,170.75
  5. Step 5: Solve for x
    x = 213,735,904,898,170.75/19,128,046.98
  6. Step 6: Final answer
    x = 11,173,953.36

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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.