Home / 8,591,972.32-11,856,964.56-4,724,742.88

Finding the Fourth Proportional to 8,591,972.32, 11,856,964.56 and 4,724,742.88

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Solution

The fourth proportional to 8,591,972.32, 11,856,964.56 and 4,724,742.88 is: 6,520,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,972.32 : 11,856,964.56 = 4,724,742.88 : x
  2. Step 2: Convert to fraction form
    8,591,972.32/11,856,964.56 = 4,724,742.88/x
  3. Step 3: Cross multiply
    8,591,972.32x = 11,856,964.56 × 4,724,742.88
  4. Step 4: Simplify right side
    8,591,972.32x = 56,021,108,883,272.34
  5. Step 5: Solve for x
    x = 56,021,108,883,272.34/8,591,972.32
  6. Step 6: Final answer
    x = 6,520,168.69

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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.