Home / 40,090,809.94-55,325,354.04-21,756,095.62

Finding the Fourth Proportional to 40,090,809.94, 55,325,354.04 and 21,756,095.62

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Solution

The fourth proportional to 40,090,809.94, 55,325,354.04 and 21,756,095.62 is: 30,023,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,809.94 : 55,325,354.04 = 21,756,095.62 : x
  2. Step 2: Convert to fraction form
    40,090,809.94/55,325,354.04 = 21,756,095.62/x
  3. Step 3: Cross multiply
    40,090,809.94x = 55,325,354.04 × 21,756,095.62
  4. Step 4: Simplify right side
    40,090,809.94x = 1,203,663,692,704,593.25
  5. Step 5: Solve for x
    x = 1,203,663,692,704,593.25/40,090,809.94
  6. Step 6: Final answer
    x = 30,023,431.67

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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.