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Finding the Fourth Proportional to 14,489,798.70, 21,734,698.05 and 10,875,999.90

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Solution

The fourth proportional to 14,489,798.70, 21,734,698.05 and 10,875,999.90 is: 16,313,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,798.70 : 21,734,698.05 = 10,875,999.90 : x
  2. Step 2: Convert to fraction form
    14,489,798.70/21,734,698.05 = 10,875,999.90/x
  3. Step 3: Cross multiply
    14,489,798.70x = 21,734,698.05 × 10,875,999.90
  4. Step 4: Simplify right side
    14,489,798.70x = 236,386,573,818,330.22
  5. Step 5: Solve for x
    x = 236,386,573,818,330.22/14,489,798.70
  6. Step 6: Final answer
    x = 16,313,999.85

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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.