Home / 12,769,488.40-17,622,268.56-6,968,644.72

Finding the Fourth Proportional to 12,769,488.40, 17,622,268.56 and 6,968,644.72

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Solution

The fourth proportional to 12,769,488.40, 17,622,268.56 and 6,968,644.72 is: 9,616,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,488.40 : 17,622,268.56 = 6,968,644.72 : x
  2. Step 2: Convert to fraction form
    12,769,488.40/17,622,268.56 = 6,968,644.72/x
  3. Step 3: Cross multiply
    12,769,488.40x = 17,622,268.56 × 6,968,644.72
  4. Step 4: Simplify right side
    12,769,488.40x = 122,803,328,755,065.98
  5. Step 5: Solve for x
    x = 122,803,328,755,065.98/12,769,488.40
  6. Step 6: Final answer
    x = 9,616,934.13

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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.