Home / 12,876,740.67-17,769,898.05-7,075,896.08

Finding the Fourth Proportional to 12,876,740.67, 17,769,898.05 and 7,075,896.08

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Solution

The fourth proportional to 12,876,740.67, 17,769,898.05 and 7,075,896.08 is: 9,764,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,740.67 : 17,769,898.05 = 7,075,896.08 : x
  2. Step 2: Convert to fraction form
    12,876,740.67/17,769,898.05 = 7,075,896.08/x
  3. Step 3: Cross multiply
    12,876,740.67x = 17,769,898.05 × 7,075,896.08
  4. Step 4: Simplify right side
    12,876,740.67x = 125,737,951,953,994.66
  5. Step 5: Solve for x
    x = 125,737,951,953,994.66/12,876,740.67
  6. Step 6: Final answer
    x = 9,764,734.35

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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.