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Finding the Fourth Proportional to 14,963,314.88, 20,649,603.98 and 8,766,879.07

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Solution

The fourth proportional to 14,963,314.88, 20,649,603.98 and 8,766,879.07 is: 12,098,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963,314.88 : 20,649,603.98 = 8,766,879.07 : x
  2. Step 2: Convert to fraction form
    14,963,314.88/20,649,603.98 = 8,766,879.07/x
  3. Step 3: Cross multiply
    14,963,314.88x = 20,649,603.98 × 8,766,879.07
  4. Step 4: Simplify right side
    14,963,314.88x = 181,032,580,936,050.72
  5. Step 5: Solve for x
    x = 181,032,580,936,050.72/14,963,314.88
  6. Step 6: Final answer
    x = 12,098,427.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.