Home / 20,858,081.04-31,296,089.60-10,083,483.84

Finding the Fourth Proportional to 20,858,081.04, 31,296,089.60 and 10,083,483.84

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Solution

The fourth proportional to 20,858,081.04, 31,296,089.60 and 10,083,483.84 is: 15,129,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,081.04 : 31,296,089.60 = 10,083,483.84 : x
  2. Step 2: Convert to fraction form
    20,858,081.04/31,296,089.60 = 10,083,483.84/x
  3. Step 3: Cross multiply
    20,858,081.04x = 31,296,089.60 × 10,083,483.84
  4. Step 4: Simplify right side
    20,858,081.04x = 315,573,613,736,792.06
  5. Step 5: Solve for x
    x = 315,573,613,736,792.06/20,858,081.04
  6. Step 6: Final answer
    x = 15,129,561.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.