Home / 6,672,631.81-9,206,465.80-3,918,438.83

Finding the Fourth Proportional to 6,672,631.81, 9,206,465.80 and 3,918,438.83

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Solution

The fourth proportional to 6,672,631.81, 9,206,465.80 and 3,918,438.83 is: 5,406,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672,631.81 : 9,206,465.80 = 3,918,438.83 : x
  2. Step 2: Convert to fraction form
    6,672,631.81/9,206,465.80 = 3,918,438.83/x
  3. Step 3: Cross multiply
    6,672,631.81x = 9,206,465.80 × 3,918,438.83
  4. Step 4: Simplify right side
    6,672,631.81x = 36,074,973,077,787.02
  5. Step 5: Solve for x
    x = 36,074,973,077,787.02/6,672,631.81
  6. Step 6: Final answer
    x = 5,406,408.46

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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.