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Finding the Fourth Proportional to 16,388,686.78, 22,616,392.02 and 9,046,524.40

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Solution

The fourth proportional to 16,388,686.78, 22,616,392.02 and 9,046,524.40 is: 12,484,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,686.78 : 22,616,392.02 = 9,046,524.40 : x
  2. Step 2: Convert to fraction form
    16,388,686.78/22,616,392.02 = 9,046,524.40/x
  3. Step 3: Cross multiply
    16,388,686.78x = 22,616,392.02 × 9,046,524.40
  4. Step 4: Simplify right side
    16,388,686.78x = 204,599,742,248,895.28
  5. Step 5: Solve for x
    x = 204,599,742,248,895.28/16,388,686.78
  6. Step 6: Final answer
    x = 12,484,206.03

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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.