Home / 10,118,159.40-13,959,137.76-6,446,418.36

Finding the Fourth Proportional to 10,118,159.40, 13,959,137.76 and 6,446,418.36

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Solution

The fourth proportional to 10,118,159.40, 13,959,137.76 and 6,446,418.36 is: 8,893,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118,159.40 : 13,959,137.76 = 6,446,418.36 : x
  2. Step 2: Convert to fraction form
    10,118,159.40/13,959,137.76 = 6,446,418.36/x
  3. Step 3: Cross multiply
    10,118,159.40x = 13,959,137.76 × 6,446,418.36
  4. Step 4: Simplify right side
    10,118,159.40x = 89,986,441,945,833.28
  5. Step 5: Solve for x
    x = 89,986,441,945,833.28/10,118,159.40
  6. Step 6: Final answer
    x = 8,893,558.44

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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.