Home / 10,856,568.80-16,284,853.20-7,077,432.80

Finding the Fourth Proportional to 10,856,568.80, 16,284,853.20 and 7,077,432.80

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Solution

The fourth proportional to 10,856,568.80, 16,284,853.20 and 7,077,432.80 is: 10,616,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,568.80 : 16,284,853.20 = 7,077,432.80 : x
  2. Step 2: Convert to fraction form
    10,856,568.80/16,284,853.20 = 7,077,432.80/x
  3. Step 3: Cross multiply
    10,856,568.80x = 16,284,853.20 × 7,077,432.80
  4. Step 4: Simplify right side
    10,856,568.80x = 115,254,954,180,864.95
  5. Step 5: Solve for x
    x = 115,254,954,180,864.95/10,856,568.80
  6. Step 6: Final answer
    x = 10,616,149.20

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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.