Home / 27,699,530.19-38,227,329.59-15,309,357.35

Finding the Fourth Proportional to 27,699,530.19, 38,227,329.59 and 15,309,357.35

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Solution

The fourth proportional to 27,699,530.19, 38,227,329.59 and 15,309,357.35 is: 21,128,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,530.19 : 38,227,329.59 = 15,309,357.35 : x
  2. Step 2: Convert to fraction form
    27,699,530.19/38,227,329.59 = 15,309,357.35/x
  3. Step 3: Cross multiply
    27,699,530.19x = 38,227,329.59 × 15,309,357.35
  4. Step 4: Simplify right side
    27,699,530.19x = 585,235,849,229,539
  5. Step 5: Solve for x
    x = 585,235,849,229,539/27,699,530.19
  6. Step 6: Final answer
    x = 21,128,006.33

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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.