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Finding the Fourth Proportional to 14,567,999.40, 21,851,999.10 and 8,899,295.40

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Solution

The fourth proportional to 14,567,999.40, 21,851,999.10 and 8,899,295.40 is: 13,348,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567,999.40 : 21,851,999.10 = 8,899,295.40 : x
  2. Step 2: Convert to fraction form
    14,567,999.40/21,851,999.10 = 8,899,295.40/x
  3. Step 3: Cross multiply
    14,567,999.40x = 21,851,999.10 × 8,899,295.40
  4. Step 4: Simplify right side
    14,567,999.40x = 194,467,395,071,434.16
  5. Step 5: Solve for x
    x = 194,467,395,071,434.16/14,567,999.40
  6. Step 6: Final answer
    x = 13,348,943.10

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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.