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Finding the Fourth Proportional to 26,971,908.20, 40,457,862.30 and 10,800,355.40

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Solution

The fourth proportional to 26,971,908.20, 40,457,862.30 and 10,800,355.40 is: 16,200,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971,908.20 : 40,457,862.30 = 10,800,355.40 : x
  2. Step 2: Convert to fraction form
    26,971,908.20/40,457,862.30 = 10,800,355.40/x
  3. Step 3: Cross multiply
    26,971,908.20x = 40,457,862.30 × 10,800,355.40
  4. Step 4: Simplify right side
    26,971,908.20x = 436,959,291,564,261.38
  5. Step 5: Solve for x
    x = 436,959,291,564,261.38/26,971,908.20
  6. Step 6: Final answer
    x = 16,200,533.10

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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.