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Finding the Fourth Proportional to 16,697,643.16, 25,046,872.98 and 9,457,448.44

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Solution

The fourth proportional to 16,697,643.16, 25,046,872.98 and 9,457,448.44 is: 14,186,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697,643.16 : 25,046,872.98 = 9,457,448.44 : x
  2. Step 2: Convert to fraction form
    16,697,643.16/25,046,872.98 = 9,457,448.44/x
  3. Step 3: Cross multiply
    16,697,643.16x = 25,046,872.98 × 9,457,448.44
  4. Step 4: Simplify right side
    16,697,643.16x = 236,879,509,791,579.16
  5. Step 5: Solve for x
    x = 236,879,509,791,579.16/16,697,643.16
  6. Step 6: Final answer
    x = 14,186,403.88

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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.