Home / 15,037,020.29-20,751,103.36-8,161,503.77

Finding the Fourth Proportional to 15,037,020.29, 20,751,103.36 and 8,161,503.77

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Solution

The fourth proportional to 15,037,020.29, 20,751,103.36 and 8,161,503.77 is: 11,262,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,020.29 : 20,751,103.36 = 8,161,503.77 : x
  2. Step 2: Convert to fraction form
    15,037,020.29/20,751,103.36 = 8,161,503.77/x
  3. Step 3: Cross multiply
    15,037,020.29x = 20,751,103.36 × 8,161,503.77
  4. Step 4: Simplify right side
    15,037,020.29x = 169,360,208,366,379.28
  5. Step 5: Solve for x
    x = 169,360,208,366,379.28/15,037,020.29
  6. Step 6: Final answer
    x = 11,262,883.54

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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.