Home / 28,791,091.01-39,731,708.59-15,738,403.12

Finding the Fourth Proportional to 28,791,091.01, 39,731,708.59 and 15,738,403.12

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Solution

The fourth proportional to 28,791,091.01, 39,731,708.59 and 15,738,403.12 is: 21,718,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791,091.01 : 39,731,708.59 = 15,738,403.12 : x
  2. Step 2: Convert to fraction form
    28,791,091.01/39,731,708.59 = 15,738,403.12/x
  3. Step 3: Cross multiply
    28,791,091.01x = 39,731,708.59 × 15,738,403.12
  4. Step 4: Simplify right side
    28,791,091.01x = 625,313,646,297,111.50
  5. Step 5: Solve for x
    x = 625,313,646,297,111.50/28,791,091.01
  6. Step 6: Final answer
    x = 21,718,997.94

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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.