Home / 12,876,781.41-17,769,953.34-7,075,937.25

Finding the Fourth Proportional to 12,876,781.41, 17,769,953.34 and 7,075,937.25

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Solution

The fourth proportional to 12,876,781.41, 17,769,953.34 and 7,075,937.25 is: 9,764,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,781.41 : 17,769,953.34 = 7,075,937.25 : x
  2. Step 2: Convert to fraction form
    12,876,781.41/17,769,953.34 = 7,075,937.25/x
  3. Step 3: Cross multiply
    12,876,781.41x = 17,769,953.34 × 7,075,937.25
  4. Step 4: Simplify right side
    12,876,781.41x = 125,739,074,769,267.91
  5. Step 5: Solve for x
    x = 125,739,074,769,267.91/12,876,781.41
  6. Step 6: Final answer
    x = 9,764,790.65

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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.