Home / 15,338,418.42-21,174,687.72-9,539,068.44

Finding the Fourth Proportional to 15,338,418.42, 21,174,687.72 and 9,539,068.44

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Solution

The fourth proportional to 15,338,418.42, 21,174,687.72 and 9,539,068.44 is: 13,168,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,418.42 : 21,174,687.72 = 9,539,068.44 : x
  2. Step 2: Convert to fraction form
    15,338,418.42/21,174,687.72 = 9,539,068.44/x
  3. Step 3: Cross multiply
    15,338,418.42x = 21,174,687.72 × 9,539,068.44
  4. Step 4: Simplify right side
    15,338,418.42x = 201,986,795,356,707.53
  5. Step 5: Solve for x
    x = 201,986,795,356,707.53/15,338,418.42
  6. Step 6: Final answer
    x = 13,168,684.66

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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.