Home / 12,090,644.04-16,683,818.22-6,861,989.28

Finding the Fourth Proportional to 12,090,644.04, 16,683,818.22 and 6,861,989.28

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Solution

The fourth proportional to 12,090,644.04, 16,683,818.22 and 6,861,989.28 is: 9,468,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,644.04 : 16,683,818.22 = 6,861,989.28 : x
  2. Step 2: Convert to fraction form
    12,090,644.04/16,683,818.22 = 6,861,989.28/x
  3. Step 3: Cross multiply
    12,090,644.04x = 16,683,818.22 × 6,861,989.28
  4. Step 4: Simplify right side
    12,090,644.04x = 114,484,181,775,108.69
  5. Step 5: Solve for x
    x = 114,484,181,775,108.69/12,090,644.04
  6. Step 6: Final answer
    x = 9,468,824.11

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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.