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Finding the Fourth Proportional to 14,680,978.60, 22,021,467.90 and 10,901,842.60

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Solution

The fourth proportional to 14,680,978.60, 22,021,467.90 and 10,901,842.60 is: 16,352,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680,978.60 : 22,021,467.90 = 10,901,842.60 : x
  2. Step 2: Convert to fraction form
    14,680,978.60/22,021,467.90 = 10,901,842.60/x
  3. Step 3: Cross multiply
    14,680,978.60x = 22,021,467.90 × 10,901,842.60
  4. Step 4: Simplify right side
    14,680,978.60x = 240,074,576,866,752.50
  5. Step 5: Solve for x
    x = 240,074,576,866,752.50/14,680,978.60
  6. Step 6: Final answer
    x = 16,352,763.90

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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.