Home / 15,483,290.54-21,368,301.28-8,515,194.84

Finding the Fourth Proportional to 15,483,290.54, 21,368,301.28 and 8,515,194.84

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Solution

The fourth proportional to 15,483,290.54, 21,368,301.28 and 8,515,194.84 is: 11,751,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483,290.54 : 21,368,301.28 = 8,515,194.84 : x
  2. Step 2: Convert to fraction form
    15,483,290.54/21,368,301.28 = 8,515,194.84/x
  3. Step 3: Cross multiply
    15,483,290.54x = 21,368,301.28 × 8,515,194.84
  4. Step 4: Simplify right side
    15,483,290.54x = 181,955,248,777,733.41
  5. Step 5: Solve for x
    x = 181,955,248,777,733.41/15,483,290.54
  6. Step 6: Final answer
    x = 11,751,717.01

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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.