Home / 12,876,783.41-17,769,956.10-7,075,939.25

Finding the Fourth Proportional to 12,876,783.41, 17,769,956.10 and 7,075,939.25

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Solution

The fourth proportional to 12,876,783.41, 17,769,956.10 and 7,075,939.25 is: 9,764,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,783.41 : 17,769,956.10 = 7,075,939.25 : x
  2. Step 2: Convert to fraction form
    12,876,783.41/17,769,956.10 = 7,075,939.25/x
  3. Step 3: Cross multiply
    12,876,783.41x = 17,769,956.10 × 7,075,939.25
  4. Step 4: Simplify right side
    12,876,783.41x = 125,739,129,838,766.94
  5. Step 5: Solve for x
    x = 125,739,129,838,766.94/12,876,783.41
  6. Step 6: Final answer
    x = 9,764,793.41

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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.