Home / 6,628,808.11-9,147,452.83-3,688,770.55

Finding the Fourth Proportional to 6,628,808.11, 9,147,452.83 and 3,688,770.55

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Solution

The fourth proportional to 6,628,808.11, 9,147,452.83 and 3,688,770.55 is: 5,090,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,808.11 : 9,147,452.83 = 3,688,770.55 : x
  2. Step 2: Convert to fraction form
    6,628,808.11/9,147,452.83 = 3,688,770.55/x
  3. Step 3: Cross multiply
    6,628,808.11x = 9,147,452.83 × 3,688,770.55
  4. Step 4: Simplify right side
    6,628,808.11x = 33,742,854,606,818.16
  5. Step 5: Solve for x
    x = 33,742,854,606,818.16/6,628,808.11
  6. Step 6: Final answer
    x = 5,090,335.10

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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.