Home / 20,965,001.77-31,448,858.60-6,588,669.79

Finding the Fourth Proportional to 20,965,001.77, 31,448,858.60 and 6,588,669.79

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Solution

The fourth proportional to 20,965,001.77, 31,448,858.60 and 6,588,669.79 is: 9,883,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,001.77 : 31,448,858.60 = 6,588,669.79 : x
  2. Step 2: Convert to fraction form
    20,965,001.77/31,448,858.60 = 6,588,669.79/x
  3. Step 3: Cross multiply
    20,965,001.77x = 31,448,858.60 × 6,588,669.79
  4. Step 4: Simplify right side
    20,965,001.77x = 207,206,144,587,801.72
  5. Step 5: Solve for x
    x = 207,206,144,587,801.72/20,965,001.77
  6. Step 6: Final answer
    x = 9,883,430.82

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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.