Home / 27,861,589.71-38,446,884.45-15,636,084.75

Finding the Fourth Proportional to 27,861,589.71, 38,446,884.45 and 15,636,084.75

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Solution

The fourth proportional to 27,861,589.71, 38,446,884.45 and 15,636,084.75 is: 21,576,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861,589.71 : 38,446,884.45 = 15,636,084.75 : x
  2. Step 2: Convert to fraction form
    27,861,589.71/38,446,884.45 = 15,636,084.75/x
  3. Step 3: Cross multiply
    27,861,589.71x = 38,446,884.45 × 15,636,084.75
  4. Step 4: Simplify right side
    27,861,589.71x = 601,158,743,633,657.12
  5. Step 5: Solve for x
    x = 601,158,743,633,657.12/27,861,589.71
  6. Step 6: Final answer
    x = 21,576,613.18

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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.