Home / 15,404,802.54-21,259,291.77-8,529,284.58

Finding the Fourth Proportional to 15,404,802.54, 21,259,291.77 and 8,529,284.58

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Solution

The fourth proportional to 15,404,802.54, 21,259,291.77 and 8,529,284.58 is: 11,770,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,802.54 : 21,259,291.77 = 8,529,284.58 : x
  2. Step 2: Convert to fraction form
    15,404,802.54/21,259,291.77 = 8,529,284.58/x
  3. Step 3: Cross multiply
    15,404,802.54x = 21,259,291.77 × 8,529,284.58
  4. Step 4: Simplify right side
    15,404,802.54x = 181,326,549,475,581.91
  5. Step 5: Solve for x
    x = 181,326,549,475,581.91/15,404,802.54
  6. Step 6: Final answer
    x = 11,770,780.51

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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.