Home / 10,916,405.20-16,374,607.80-8,046,623.80

Finding the Fourth Proportional to 10,916,405.20, 16,374,607.80 and 8,046,623.80

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Solution

The fourth proportional to 10,916,405.20, 16,374,607.80 and 8,046,623.80 is: 12,069,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,405.20 : 16,374,607.80 = 8,046,623.80 : x
  2. Step 2: Convert to fraction form
    10,916,405.20/16,374,607.80 = 8,046,623.80/x
  3. Step 3: Cross multiply
    10,916,405.20x = 16,374,607.80 × 8,046,623.80
  4. Step 4: Simplify right side
    10,916,405.20x = 131,760,308,839,145.64
  5. Step 5: Solve for x
    x = 131,760,308,839,145.64/10,916,405.20
  6. Step 6: Final answer
    x = 12,069,935.70

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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.