Home / 40,503,506.55-55,894,837.32-21,918,647.27

Finding the Fourth Proportional to 40,503,506.55, 55,894,837.32 and 21,918,647.27

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Solution

The fourth proportional to 40,503,506.55, 55,894,837.32 and 21,918,647.27 is: 30,247,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503,506.55 : 55,894,837.32 = 21,918,647.27 : x
  2. Step 2: Convert to fraction form
    40,503,506.55/55,894,837.32 = 21,918,647.27/x
  3. Step 3: Cross multiply
    40,503,506.55x = 55,894,837.32 × 21,918,647.27
  4. Step 4: Simplify right side
    40,503,506.55x = 1,225,139,223,151,638
  5. Step 5: Solve for x
    x = 1,225,139,223,151,638/40,503,506.55
  6. Step 6: Final answer
    x = 30,247,732.30

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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.