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Finding the Fourth Proportional to 14,543,940.01, 20,070,772.59 and 8,017,803.01

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Solution

The fourth proportional to 14,543,940.01, 20,070,772.59 and 8,017,803.01 is: 11,064,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543,940.01 : 20,070,772.59 = 8,017,803.01 : x
  2. Step 2: Convert to fraction form
    14,543,940.01/20,070,772.59 = 8,017,803.01/x
  3. Step 3: Cross multiply
    14,543,940.01x = 20,070,772.59 × 8,017,803.01
  4. Step 4: Simplify right side
    14,543,940.01x = 160,923,500,885,127.50
  5. Step 5: Solve for x
    x = 160,923,500,885,127.50/14,543,940.01
  6. Step 6: Final answer
    x = 11,064,642.78

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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.