Home / 11,555,039.37-15,945,759.51-6,398,290.20

Finding the Fourth Proportional to 11,555,039.37, 15,945,759.51 and 6,398,290.20

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Solution

The fourth proportional to 11,555,039.37, 15,945,759.51 and 6,398,290.20 is: 8,829,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,039.37 : 15,945,759.51 = 6,398,290.20 : x
  2. Step 2: Convert to fraction form
    11,555,039.37/15,945,759.51 = 6,398,290.20/x
  3. Step 3: Cross multiply
    11,555,039.37x = 15,945,759.51 × 6,398,290.20
  4. Step 4: Simplify right side
    11,555,039.37x = 102,025,596,804,389.80
  5. Step 5: Solve for x
    x = 102,025,596,804,389.80/11,555,039.37
  6. Step 6: Final answer
    x = 8,829,532.60

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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.