Home / 13,021,876.92-19,535,264.82-5,241,385.56

Finding the Fourth Proportional to 13,021,876.92, 19,535,264.82 and 5,241,385.56

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Solution

The fourth proportional to 13,021,876.92, 19,535,264.82 and 5,241,385.56 is: 7,863,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,876.92 : 19,535,264.82 = 5,241,385.56 : x
  2. Step 2: Convert to fraction form
    13,021,876.92/19,535,264.82 = 5,241,385.56/x
  3. Step 3: Cross multiply
    13,021,876.92x = 19,535,264.82 × 5,241,385.56
  4. Step 4: Simplify right side
    13,021,876.92x = 102,391,854,938,324
  5. Step 5: Solve for x
    x = 102,391,854,938,324/13,021,876.92
  6. Step 6: Final answer
    x = 7,863,064.25

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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.