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Finding the Fourth Proportional to 14,459,469.18, 19,954,271.06 and 7,932,980.04

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Solution

The fourth proportional to 14,459,469.18, 19,954,271.06 and 7,932,980.04 is: 10,947,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459,469.18 : 19,954,271.06 = 7,932,980.04 : x
  2. Step 2: Convert to fraction form
    14,459,469.18/19,954,271.06 = 7,932,980.04/x
  3. Step 3: Cross multiply
    14,459,469.18x = 19,954,271.06 × 7,932,980.04
  4. Step 4: Simplify right side
    14,459,469.18x = 158,296,834,031,729.62
  5. Step 5: Solve for x
    x = 158,296,834,031,729.62/14,459,469.18
  6. Step 6: Final answer
    x = 10,947,624.15

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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.