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Finding the Fourth Proportional to 16,388,690.18, 22,616,397.04 and 9,046,528.06

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Solution

The fourth proportional to 16,388,690.18, 22,616,397.04 and 9,046,528.06 is: 12,484,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,690.18 : 22,616,397.04 = 9,046,528.06 : x
  2. Step 2: Convert to fraction form
    16,388,690.18/22,616,397.04 = 9,046,528.06/x
  3. Step 3: Cross multiply
    16,388,690.18x = 22,616,397.04 × 9,046,528.06
  4. Step 4: Simplify right side
    16,388,690.18x = 204,599,870,438,460.94
  5. Step 5: Solve for x
    x = 204,599,870,438,460.94/16,388,690.18
  6. Step 6: Final answer
    x = 12,484,211.26

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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.