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Finding the Fourth Proportional to 18,537,409.80, 27,806,114.70 and 10,960,475.40

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Solution

The fourth proportional to 18,537,409.80, 27,806,114.70 and 10,960,475.40 is: 16,440,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537,409.80 : 27,806,114.70 = 10,960,475.40 : x
  2. Step 2: Convert to fraction form
    18,537,409.80/27,806,114.70 = 10,960,475.40/x
  3. Step 3: Cross multiply
    18,537,409.80x = 27,806,114.70 × 10,960,475.40
  4. Step 4: Simplify right side
    18,537,409.80x = 304,768,236,138,928.38
  5. Step 5: Solve for x
    x = 304,768,236,138,928.38/18,537,409.80
  6. Step 6: Final answer
    x = 16,440,713.10

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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.