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Finding the Fourth Proportional to 14,670,598.40, 21,984,902.40 and 10,802,232.80

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Solution

The fourth proportional to 14,670,598.40, 21,984,902.40 and 10,802,232.80 is: 16,187,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670,598.40 : 21,984,902.40 = 10,802,232.80 : x
  2. Step 2: Convert to fraction form
    14,670,598.40/21,984,902.40 = 10,802,232.80/x
  3. Step 3: Cross multiply
    14,670,598.40x = 21,984,902.40 × 10,802,232.80
  4. Step 4: Simplify right side
    14,670,598.40x = 237,486,033,810,078.72
  5. Step 5: Solve for x
    x = 237,486,033,810,078.72/14,670,598.40
  6. Step 6: Final answer
    x = 16,187,890.05

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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.