Home / 18,456,439.80-27,684,659.70-10,898,167.80

Finding the Fourth Proportional to 18,456,439.80, 27,684,659.70 and 10,898,167.80

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Solution

The fourth proportional to 18,456,439.80, 27,684,659.70 and 10,898,167.80 is: 16,347,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,439.80 : 27,684,659.70 = 10,898,167.80 : x
  2. Step 2: Convert to fraction form
    18,456,439.80/27,684,659.70 = 10,898,167.80/x
  3. Step 3: Cross multiply
    18,456,439.80x = 27,684,659.70 × 10,898,167.80
  4. Step 4: Simplify right side
    18,456,439.80x = 301,712,066,896,497.69
  5. Step 5: Solve for x
    x = 301,712,066,896,497.69/18,456,439.80
  6. Step 6: Final answer
    x = 16,347,251.70

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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.