Home / 8,963,028.08-13,387,390.96-8,108,782.64

Finding the Fourth Proportional to 8,963,028.08, 13,387,390.96 and 8,108,782.64

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Solution

The fourth proportional to 8,963,028.08, 13,387,390.96 and 8,108,782.64 is: 12,111,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963,028.08 : 13,387,390.96 = 8,108,782.64 : x
  2. Step 2: Convert to fraction form
    8,963,028.08/13,387,390.96 = 8,108,782.64/x
  3. Step 3: Cross multiply
    8,963,028.08x = 13,387,390.96 × 8,108,782.64
  4. Step 4: Simplify right side
    8,963,028.08x = 108,555,443,411,340.94
  5. Step 5: Solve for x
    x = 108,555,443,411,340.94/8,963,028.08
  6. Step 6: Final answer
    x = 12,111,469.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.