Home / 12,139,053.16-16,751,911.35-6,912,065.57

Finding the Fourth Proportional to 12,139,053.16, 16,751,911.35 and 6,912,065.57

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Solution

The fourth proportional to 12,139,053.16, 16,751,911.35 and 6,912,065.57 is: 9,538,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,053.16 : 16,751,911.35 = 6,912,065.57 : x
  2. Step 2: Convert to fraction form
    12,139,053.16/16,751,911.35 = 6,912,065.57/x
  3. Step 3: Cross multiply
    12,139,053.16x = 16,751,911.35 × 6,912,065.57
  4. Step 4: Simplify right side
    12,139,053.16x = 115,790,309,674,027.22
  5. Step 5: Solve for x
    x = 115,790,309,674,027.22/12,139,053.16
  6. Step 6: Final answer
    x = 9,538,660.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.