Home / 12,769,493.40-17,622,275.46-6,968,649.72

Finding the Fourth Proportional to 12,769,493.40, 17,622,275.46 and 6,968,649.72

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Solution

The fourth proportional to 12,769,493.40, 17,622,275.46 and 6,968,649.72 is: 9,616,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,493.40 : 17,622,275.46 = 6,968,649.72 : x
  2. Step 2: Convert to fraction form
    12,769,493.40/17,622,275.46 = 6,968,649.72/x
  3. Step 3: Cross multiply
    12,769,493.40x = 17,622,275.46 × 6,968,649.72
  4. Step 4: Simplify right side
    12,769,493.40x = 122,803,464,950,091.88
  5. Step 5: Solve for x
    x = 122,803,464,950,091.88/12,769,493.40
  6. Step 6: Final answer
    x = 9,616,941.03

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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.