Home / 11,817,843.21-16,308,623.61-6,385,335.21

Finding the Fourth Proportional to 11,817,843.21, 16,308,623.61 and 6,385,335.21

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Solution

The fourth proportional to 11,817,843.21, 16,308,623.61 and 6,385,335.21 is: 8,811,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,843.21 : 16,308,623.61 = 6,385,335.21 : x
  2. Step 2: Convert to fraction form
    11,817,843.21/16,308,623.61 = 6,385,335.21/x
  3. Step 3: Cross multiply
    11,817,843.21x = 16,308,623.61 × 6,385,335.21
  4. Step 4: Simplify right side
    11,817,843.21x = 104,136,028,563,570.30
  5. Step 5: Solve for x
    x = 104,136,028,563,570.30/11,817,843.21
  6. Step 6: Final answer
    x = 8,811,762.58

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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.