Home / 13,838,465.31-20,759,679-4,254,648.54

Finding the Fourth Proportional to 13,838,465.31, 20,759,679 and 4,254,648.54

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Solution

The fourth proportional to 13,838,465.31, 20,759,679 and 4,254,648.54 is: 6,382,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,465.31 : 20,759,679 = 4,254,648.54 : x
  2. Step 2: Convert to fraction form
    13,838,465.31/20,759,679 = 4,254,648.54/x
  3. Step 3: Cross multiply
    13,838,465.31x = 20,759,679 × 4,254,648.54
  4. Step 4: Simplify right side
    13,838,465.31x = 88,325,137,948,218.66
  5. Step 5: Solve for x
    x = 88,325,137,948,218.66/13,838,465.31
  6. Step 6: Final answer
    x = 6,382,581.88

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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.