Home / 10,989,043.74-16,485,081.40-6,380,200.51

Finding the Fourth Proportional to 10,989,043.74, 16,485,081.40 and 6,380,200.51

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Solution

The fourth proportional to 10,989,043.74, 16,485,081.40 and 6,380,200.51 is: 9,571,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,043.74 : 16,485,081.40 = 6,380,200.51 : x
  2. Step 2: Convert to fraction form
    10,989,043.74/16,485,081.40 = 6,380,200.51/x
  3. Step 3: Cross multiply
    10,989,043.74x = 16,485,081.40 × 6,380,200.51
  4. Step 4: Simplify right side
    10,989,043.74x = 105,178,124,722,434.06
  5. Step 5: Solve for x
    x = 105,178,124,722,434.06/10,989,043.74
  6. Step 6: Final answer
    x = 9,571,180.82

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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.