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Finding the Fourth Proportional to 14,949,361.20, 20,620,639.08 and 9,433,102.02

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Solution

The fourth proportional to 14,949,361.20, 20,620,639.08 and 9,433,102.02 is: 13,011,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949,361.20 : 20,620,639.08 = 9,433,102.02 : x
  2. Step 2: Convert to fraction form
    14,949,361.20/20,620,639.08 = 9,433,102.02/x
  3. Step 3: Cross multiply
    14,949,361.20x = 20,620,639.08 × 9,433,102.02
  4. Step 4: Simplify right side
    14,949,361.20x = 194,516,592,159,238.91
  5. Step 5: Solve for x
    x = 194,516,592,159,238.91/14,949,361.20
  6. Step 6: Final answer
    x = 13,011,699.27

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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.