Home / 8,321,890.66-11,484,563.78-4,650,807.12

Finding the Fourth Proportional to 8,321,890.66, 11,484,563.78 and 4,650,807.12

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Solution

The fourth proportional to 8,321,890.66, 11,484,563.78 and 4,650,807.12 is: 6,418,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,890.66 : 11,484,563.78 = 4,650,807.12 : x
  2. Step 2: Convert to fraction form
    8,321,890.66/11,484,563.78 = 4,650,807.12/x
  3. Step 3: Cross multiply
    8,321,890.66x = 11,484,563.78 × 4,650,807.12
  4. Step 4: Simplify right side
    8,321,890.66x = 53,412,490,998,118.11
  5. Step 5: Solve for x
    x = 53,412,490,998,118.11/8,321,890.66
  6. Step 6: Final answer
    x = 6,418,312.04

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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.