Home / 15,483,291.54-21,368,302.66-8,515,195.84

Finding the Fourth Proportional to 15,483,291.54, 21,368,302.66 and 8,515,195.84

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Solution

The fourth proportional to 15,483,291.54, 21,368,302.66 and 8,515,195.84 is: 11,751,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483,291.54 : 21,368,302.66 = 8,515,195.84 : x
  2. Step 2: Convert to fraction form
    15,483,291.54/21,368,302.66 = 8,515,195.84/x
  3. Step 3: Cross multiply
    15,483,291.54x = 21,368,302.66 × 8,515,195.84
  4. Step 4: Simplify right side
    15,483,291.54x = 181,955,281,918,292.94
  5. Step 5: Solve for x
    x = 181,955,281,918,292.94/15,483,291.54
  6. Step 6: Final answer
    x = 11,751,718.39

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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.