Home / 12,869,892.48-17,756,130.24-7,287,375.96

Finding the Fourth Proportional to 12,869,892.48, 17,756,130.24 and 7,287,375.96

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Solution

The fourth proportional to 12,869,892.48, 17,756,130.24 and 7,287,375.96 is: 10,054,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,892.48 : 17,756,130.24 = 7,287,375.96 : x
  2. Step 2: Convert to fraction form
    12,869,892.48/17,756,130.24 = 7,287,375.96/x
  3. Step 3: Cross multiply
    12,869,892.48x = 17,756,130.24 × 7,287,375.96
  4. Step 4: Simplify right side
    12,869,892.48x = 129,395,596,653,605.02
  5. Step 5: Solve for x
    x = 129,395,596,653,605.02/12,869,892.48
  6. Step 6: Final answer
    x = 10,054,131.91

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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.