Home / 11,555,555.64-15,945,102.90-6,398,784.60

Finding the Fourth Proportional to 11,555,555.64, 15,945,102.90 and 6,398,784.60

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Solution

The fourth proportional to 11,555,555.64, 15,945,102.90 and 6,398,784.60 is: 8,829,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,555.64 : 15,945,102.90 = 6,398,784.60 : x
  2. Step 2: Convert to fraction form
    11,555,555.64/15,945,102.90 = 6,398,784.60/x
  3. Step 3: Cross multiply
    11,555,555.64x = 15,945,102.90 × 6,398,784.60
  4. Step 4: Simplify right side
    11,555,555.64x = 102,029,278,881,935.34
  5. Step 5: Solve for x
    x = 102,029,278,881,935.34/11,555,555.64
  6. Step 6: Final answer
    x = 8,829,456.76

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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.