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Finding the Fourth Proportional to 14,651,803.20, 21,977,359.20 and 4,014,235.20

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Solution

The fourth proportional to 14,651,803.20, 21,977,359.20 and 4,014,235.20 is: 6,021,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651,803.20 : 21,977,359.20 = 4,014,235.20 : x
  2. Step 2: Convert to fraction form
    14,651,803.20/21,977,359.20 = 4,014,235.20/x
  3. Step 3: Cross multiply
    14,651,803.20x = 21,977,359.20 × 4,014,235.20
  4. Step 4: Simplify right side
    14,651,803.20x = 88,222,288,903,683.84
  5. Step 5: Solve for x
    x = 88,222,288,903,683.84/14,651,803.20
  6. Step 6: Final answer
    x = 6,021,258.11

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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.