Home / 15,047,846.71-20,767,801.22-8,936,275.21

Finding the Fourth Proportional to 15,047,846.71, 20,767,801.22 and 8,936,275.21

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Solution

The fourth proportional to 15,047,846.71, 20,767,801.22 and 8,936,275.21 is: 12,333,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,846.71 : 20,767,801.22 = 8,936,275.21 : x
  2. Step 2: Convert to fraction form
    15,047,846.71/20,767,801.22 = 8,936,275.21/x
  3. Step 3: Cross multiply
    15,047,846.71x = 20,767,801.22 × 8,936,275.21
  4. Step 4: Simplify right side
    15,047,846.71x = 185,586,787,230,834.47
  5. Step 5: Solve for x
    x = 185,586,787,230,834.47/15,047,846.71
  6. Step 6: Final answer
    x = 12,333,112.56

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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.