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Finding the Fourth Proportional to 17,702,946.60, 26,554,419.90 and 17,451,004.20

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Solution

The fourth proportional to 17,702,946.60, 26,554,419.90 and 17,451,004.20 is: 26,176,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702,946.60 : 26,554,419.90 = 17,451,004.20 : x
  2. Step 2: Convert to fraction form
    17,702,946.60/26,554,419.90 = 17,451,004.20/x
  3. Step 3: Cross multiply
    17,702,946.60x = 26,554,419.90 × 17,451,004.20
  4. Step 4: Simplify right side
    17,702,946.60x = 463,401,293,203,463.56
  5. Step 5: Solve for x
    x = 463,401,293,203,463.56/17,702,946.60
  6. Step 6: Final answer
    x = 26,176,506.30

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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.