Home / 19,852,584.44-27,389,589.90-12,981,088.76

Finding the Fourth Proportional to 19,852,584.44, 27,389,589.90 and 12,981,088.76

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Solution

The fourth proportional to 19,852,584.44, 27,389,589.90 and 12,981,088.76 is: 17,909,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,584.44 : 27,389,589.90 = 12,981,088.76 : x
  2. Step 2: Convert to fraction form
    19,852,584.44/27,389,589.90 = 12,981,088.76/x
  3. Step 3: Cross multiply
    19,852,584.44x = 27,389,589.90 × 12,981,088.76
  4. Step 4: Simplify right side
    19,852,584.44x = 355,546,697,591,899.50
  5. Step 5: Solve for x
    x = 355,546,697,591,899.50/19,852,584.44
  6. Step 6: Final answer
    x = 17,909,340.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.