Home / 11,472,999.21-15,832,431.86-6,316,399.49

Finding the Fourth Proportional to 11,472,999.21, 15,832,431.86 and 6,316,399.49

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Solution

The fourth proportional to 11,472,999.21, 15,832,431.86 and 6,316,399.49 is: 8,716,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472,999.21 : 15,832,431.86 = 6,316,399.49 : x
  2. Step 2: Convert to fraction form
    11,472,999.21/15,832,431.86 = 6,316,399.49/x
  3. Step 3: Cross multiply
    11,472,999.21x = 15,832,431.86 × 6,316,399.49
  4. Step 4: Simplify right side
    11,472,999.21x = 100,003,964,415,219.61
  5. Step 5: Solve for x
    x = 100,003,964,415,219.61/11,472,999.21
  6. Step 6: Final answer
    x = 8,716,462.24

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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.