Home / 8,876,930.82-12,249,466.83-5,438,704.38

Finding the Fourth Proportional to 8,876,930.82, 12,249,466.83 and 5,438,704.38

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Solution

The fourth proportional to 8,876,930.82, 12,249,466.83 and 5,438,704.38 is: 7,504,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,930.82 : 12,249,466.83 = 5,438,704.38 : x
  2. Step 2: Convert to fraction form
    8,876,930.82/12,249,466.83 = 5,438,704.38/x
  3. Step 3: Cross multiply
    8,876,930.82x = 12,249,466.83 × 5,438,704.38
  4. Step 4: Simplify right side
    8,876,930.82x = 66,621,228,900,985.71
  5. Step 5: Solve for x
    x = 66,621,228,900,985.71/8,876,930.82
  6. Step 6: Final answer
    x = 7,504,984.58

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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.