Home / 12,126,186.26-16,734,533.12-6,619,854.72

Finding the Fourth Proportional to 12,126,186.26, 16,734,533.12 and 6,619,854.72

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Solution

The fourth proportional to 12,126,186.26, 16,734,533.12 and 6,619,854.72 is: 9,135,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,186.26 : 16,734,533.12 = 6,619,854.72 : x
  2. Step 2: Convert to fraction form
    12,126,186.26/16,734,533.12 = 6,619,854.72/x
  3. Step 3: Cross multiply
    12,126,186.26x = 16,734,533.12 × 6,619,854.72
  4. Step 4: Simplify right side
    12,126,186.26x = 110,780,178,061,428.31
  5. Step 5: Solve for x
    x = 110,780,178,061,428.31/12,126,186.26
  6. Step 6: Final answer
    x = 9,135,615.74

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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.