Home / 12,876,788.04-17,769,962.46-7,075,943.88

Finding the Fourth Proportional to 12,876,788.04, 17,769,962.46 and 7,075,943.88

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Solution

The fourth proportional to 12,876,788.04, 17,769,962.46 and 7,075,943.88 is: 9,764,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,788.04 : 17,769,962.46 = 7,075,943.88 : x
  2. Step 2: Convert to fraction form
    12,876,788.04/17,769,962.46 = 7,075,943.88/x
  3. Step 3: Cross multiply
    12,876,788.04x = 17,769,962.46 × 7,075,943.88
  4. Step 4: Simplify right side
    12,876,788.04x = 125,739,257,116,666.75
  5. Step 5: Solve for x
    x = 125,739,257,116,666.75/12,876,788.04
  6. Step 6: Final answer
    x = 9,764,799.79

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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.