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Finding the Fourth Proportional to 20,403,002.03, 30,604,503.04 and 20,403,002.03

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Solution

The fourth proportional to 20,403,002.03, 30,604,503.04 and 20,403,002.03 is: 30,604,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,002.03 : 30,604,503.04 = 20,403,002.03 : x
  2. Step 2: Convert to fraction form
    20,403,002.03/30,604,503.04 = 20,403,002.03/x
  3. Step 3: Cross multiply
    20,403,002.03x = 30,604,503.04 × 20,403,002.03
  4. Step 4: Simplify right side
    20,403,002.03x = 624,423,737,448,231.12
  5. Step 5: Solve for x
    x = 624,423,737,448,231.12/20,403,002.03
  6. Step 6: Final answer
    x = 30,604,503.04

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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.