Home / 5,457,143.90-8,169,969.45-4,827,287.90

Finding the Fourth Proportional to 5,457,143.90, 8,169,969.45 and 4,827,287.90

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Solution

The fourth proportional to 5,457,143.90, 8,169,969.45 and 4,827,287.90 is: 7,227,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,143.90 : 8,169,969.45 = 4,827,287.90 : x
  2. Step 2: Convert to fraction form
    5,457,143.90/8,169,969.45 = 4,827,287.90/x
  3. Step 3: Cross multiply
    5,457,143.90x = 8,169,969.45 × 4,827,287.90
  4. Step 4: Simplify right side
    5,457,143.90x = 39,438,794,669,354.66
  5. Step 5: Solve for x
    x = 39,438,794,669,354.66/5,457,143.90
  6. Step 6: Final answer
    x = 7,227,002.88

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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.