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Finding the Fourth Proportional to 27,218,509.20, 40,843,510.20 and 10,180,904.40

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Solution

The fourth proportional to 27,218,509.20, 40,843,510.20 and 10,180,904.40 is: 15,277,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,509.20 : 40,843,510.20 = 10,180,904.40 : x
  2. Step 2: Convert to fraction form
    27,218,509.20/40,843,510.20 = 10,180,904.40/x
  3. Step 3: Cross multiply
    27,218,509.20x = 40,843,510.20 × 10,180,904.40
  4. Step 4: Simplify right side
    27,218,509.20x = 415,823,872,706,624.94
  5. Step 5: Solve for x
    x = 415,823,872,706,624.94/27,218,509.20
  6. Step 6: Final answer
    x = 15,277,246.44

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1.5x scale

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.