Home / 18,480,156.81-27,700,687.59-6,960,639.75

Finding the Fourth Proportional to 18,480,156.81, 27,700,687.59 and 6,960,639.75

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Solution

The fourth proportional to 18,480,156.81, 27,700,687.59 and 6,960,639.75 is: 10,433,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,156.81 : 27,700,687.59 = 6,960,639.75 : x
  2. Step 2: Convert to fraction form
    18,480,156.81/27,700,687.59 = 6,960,639.75/x
  3. Step 3: Cross multiply
    18,480,156.81x = 27,700,687.59 × 6,960,639.75
  4. Step 4: Simplify right side
    18,480,156.81x = 192,814,507,141,285.69
  5. Step 5: Solve for x
    x = 192,814,507,141,285.69/18,480,156.81
  6. Step 6: Final answer
    x = 10,433,596.92

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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.