Home / 12,226,378.34-16,872,576.42-6,720,262.01

Finding the Fourth Proportional to 12,226,378.34, 16,872,576.42 and 6,720,262.01

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Solution

The fourth proportional to 12,226,378.34, 16,872,576.42 and 6,720,262.01 is: 9,274,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,378.34 : 16,872,576.42 = 6,720,262.01 : x
  2. Step 2: Convert to fraction form
    12,226,378.34/16,872,576.42 = 6,720,262.01/x
  3. Step 3: Cross multiply
    12,226,378.34x = 16,872,576.42 × 6,720,262.01
  4. Step 4: Simplify right side
    12,226,378.34x = 113,388,134,326,147.81
  5. Step 5: Solve for x
    x = 113,388,134,326,147.81/12,226,378.34
  6. Step 6: Final answer
    x = 9,274,057.38

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1.5x scale

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.