Home / 20,117,487.22-30,175,935.81-4,971,418.90

Finding the Fourth Proportional to 20,117,487.22, 30,175,935.81 and 4,971,418.90

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Solution

The fourth proportional to 20,117,487.22, 30,175,935.81 and 4,971,418.90 is: 7,457,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,487.22 : 30,175,935.81 = 4,971,418.90 : x
  2. Step 2: Convert to fraction form
    20,117,487.22/30,175,935.81 = 4,971,418.90/x
  3. Step 3: Cross multiply
    20,117,487.22x = 30,175,935.81 × 4,971,418.90
  4. Step 4: Simplify right side
    20,117,487.22x = 150,017,217,611,020.81
  5. Step 5: Solve for x
    x = 150,017,217,611,020.81/20,117,487.22
  6. Step 6: Final answer
    x = 7,457,055.44

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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.