Home / 15,251,792.97-21,047,478.45-8,282,468.68

Finding the Fourth Proportional to 15,251,792.97, 21,047,478.45 and 8,282,468.68

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Solution

The fourth proportional to 15,251,792.97, 21,047,478.45 and 8,282,468.68 is: 11,429,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,792.97 : 21,047,478.45 = 8,282,468.68 : x
  2. Step 2: Convert to fraction form
    15,251,792.97/21,047,478.45 = 8,282,468.68/x
  3. Step 3: Cross multiply
    15,251,792.97x = 21,047,478.45 × 8,282,468.68
  4. Step 4: Simplify right side
    15,251,792.97x = 174,325,081,089,814.06
  5. Step 5: Solve for x
    x = 174,325,081,089,814.06/15,251,792.97
  6. Step 6: Final answer
    x = 11,429,809.03

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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.