Home / 8,906,406.60-13,349,112.30-6,659,920.20

Finding the Fourth Proportional to 8,906,406.60, 13,349,112.30 and 6,659,920.20

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Solution

The fourth proportional to 8,906,406.60, 13,349,112.30 and 6,659,920.20 is: 9,982,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,406.60 : 13,349,112.30 = 6,659,920.20 : x
  2. Step 2: Convert to fraction form
    8,906,406.60/13,349,112.30 = 6,659,920.20/x
  3. Step 3: Cross multiply
    8,906,406.60x = 13,349,112.30 × 6,659,920.20
  4. Step 4: Simplify right side
    8,906,406.60x = 88,904,022,658,838.47
  5. Step 5: Solve for x
    x = 88,904,022,658,838.47/8,906,406.60
  6. Step 6: Final answer
    x = 9,982,030.54

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1.5x scale

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.