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Finding the Fourth Proportional to 13,768,401.60, 20,652,602.40 and 6,593,948.10

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Solution

The fourth proportional to 13,768,401.60, 20,652,602.40 and 6,593,948.10 is: 9,890,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,401.60 : 20,652,602.40 = 6,593,948.10 : x
  2. Step 2: Convert to fraction form
    13,768,401.60/20,652,602.40 = 6,593,948.10/x
  3. Step 3: Cross multiply
    13,768,401.60x = 20,652,602.40 × 6,593,948.10
  4. Step 4: Simplify right side
    13,768,401.60x = 136,182,188,355,535.42
  5. Step 5: Solve for x
    x = 136,182,188,355,535.42/13,768,401.60
  6. Step 6: Final answer
    x = 9,890,922.15

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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.