Home / 9,309,997.32-12,847,641.32-5,179,985.16

Finding the Fourth Proportional to 9,309,997.32, 12,847,641.32 and 5,179,985.16

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Solution

The fourth proportional to 9,309,997.32, 12,847,641.32 and 5,179,985.16 is: 7,148,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,997.32 : 12,847,641.32 = 5,179,985.16 : x
  2. Step 2: Convert to fraction form
    9,309,997.32/12,847,641.32 = 5,179,985.16/x
  3. Step 3: Cross multiply
    9,309,997.32x = 12,847,641.32 × 5,179,985.16
  4. Step 4: Simplify right side
    9,309,997.32x = 66,550,591,378,602.81
  5. Step 5: Solve for x
    x = 66,550,591,378,602.81/9,309,997.32
  6. Step 6: Final answer
    x = 7,148,293.29

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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.