Home / 20,947,764.59-28,907,462.00-12,127,587.77

Finding the Fourth Proportional to 20,947,764.59, 28,907,462.00 and 12,127,587.77

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Solution

The fourth proportional to 20,947,764.59, 28,907,462.00 and 12,127,587.77 is: 16,735,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,764.59 : 28,907,462.00 = 12,127,587.77 : x
  2. Step 2: Convert to fraction form
    20,947,764.59/28,907,462.00 = 12,127,587.77/x
  3. Step 3: Cross multiply
    20,947,764.59x = 28,907,462.00 × 12,127,587.77
  4. Step 4: Simplify right side
    20,947,764.59x = 350,577,782,407,764.50
  5. Step 5: Solve for x
    x = 350,577,782,407,764.50/20,947,764.59
  6. Step 6: Final answer
    x = 16,735,808.78

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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.