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Finding the Fourth Proportional to 18,574,855.66, 27,864,499.52 and 8,983,342.07

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Solution

The fourth proportional to 18,574,855.66, 27,864,499.52 and 8,983,342.07 is: 13,476,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,855.66 : 27,864,499.52 = 8,983,342.07 : x
  2. Step 2: Convert to fraction form
    18,574,855.66/27,864,499.52 = 8,983,342.07/x
  3. Step 3: Cross multiply
    18,574,855.66x = 27,864,499.52 × 8,983,342.07
  4. Step 4: Simplify right side
    18,574,855.66x = 250,316,330,797,510.81
  5. Step 5: Solve for x
    x = 250,316,330,797,510.81/18,574,855.66
  6. Step 6: Final answer
    x = 13,476,084.84

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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.