Home / 8,668,032.90-12,988,052.55-5,467,431.30

Finding the Fourth Proportional to 8,668,032.90, 12,988,052.55 and 5,467,431.30

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Solution

The fourth proportional to 8,668,032.90, 12,988,052.55 and 5,467,431.30 is: 8,192,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,032.90 : 12,988,052.55 = 5,467,431.30 : x
  2. Step 2: Convert to fraction form
    8,668,032.90/12,988,052.55 = 5,467,431.30/x
  3. Step 3: Cross multiply
    8,668,032.90x = 12,988,052.55 × 5,467,431.30
  4. Step 4: Simplify right side
    8,668,032.90x = 71,011,285,037,914.81
  5. Step 5: Solve for x
    x = 71,011,285,037,914.81/8,668,032.90
  6. Step 6: Final answer
    x = 8,192,318.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.