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Finding the Fourth Proportional to 16,606,564.64, 22,917,068.94 and 9,264,397.80

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Solution

The fourth proportional to 16,606,564.64, 22,917,068.94 and 9,264,397.80 is: 12,784,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606,564.64 : 22,917,068.94 = 9,264,397.80 : x
  2. Step 2: Convert to fraction form
    16,606,564.64/22,917,068.94 = 9,264,397.80/x
  3. Step 3: Cross multiply
    16,606,564.64x = 22,917,068.94 × 9,264,397.80
  4. Step 4: Simplify right side
    16,606,564.64x = 212,312,843,070,184.38
  5. Step 5: Solve for x
    x = 212,312,843,070,184.38/16,606,564.64
  6. Step 6: Final answer
    x = 12,784,874.40

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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.