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Finding the Fourth Proportional to 20,808,005.10, 29,074,520.10 and 20,808,005.10

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Solution

The fourth proportional to 20,808,005.10, 29,074,520.10 and 20,808,005.10 is: 29,074,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,005.10 : 29,074,520.10 = 20,808,005.10 : x
  2. Step 2: Convert to fraction form
    20,808,005.10/29,074,520.10 = 20,808,005.10/x
  3. Step 3: Cross multiply
    20,808,005.10x = 29,074,520.10 × 20,808,005.10
  4. Step 4: Simplify right side
    20,808,005.10x = 604,982,762,520,852.62
  5. Step 5: Solve for x
    x = 604,982,762,520,852.62/20,808,005.10
  6. Step 6: Final answer
    x = 29,074,520.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.