Home / 12,461,174.60-18,694,289.10-7,072,406.60

Finding the Fourth Proportional to 12,461,174.60, 18,694,289.10 and 7,072,406.60

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Solution

The fourth proportional to 12,461,174.60, 18,694,289.10 and 7,072,406.60 is: 10,610,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,174.60 : 18,694,289.10 = 7,072,406.60 : x
  2. Step 2: Convert to fraction form
    12,461,174.60/18,694,289.10 = 7,072,406.60/x
  3. Step 3: Cross multiply
    12,461,174.60x = 18,694,289.10 × 7,072,406.60
  4. Step 4: Simplify right side
    12,461,174.60x = 132,213,613,613,148.06
  5. Step 5: Solve for x
    x = 132,213,613,613,148.06/12,461,174.60
  6. Step 6: Final answer
    x = 10,610,044.23

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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.