Home / 14,061,620.25-19,407,106.67-8,905,461.21

Finding the Fourth Proportional to 14,061,620.25, 19,407,106.67 and 8,905,461.21

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Solution

The fourth proportional to 14,061,620.25, 19,407,106.67 and 8,905,461.21 is: 12,290,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061,620.25 : 19,407,106.67 = 8,905,461.21 : x
  2. Step 2: Convert to fraction form
    14,061,620.25/19,407,106.67 = 8,905,461.21/x
  3. Step 3: Cross multiply
    14,061,620.25x = 19,407,106.67 × 8,905,461.21
  4. Step 4: Simplify right side
    14,061,620.25x = 172,829,235,603,489.97
  5. Step 5: Solve for x
    x = 172,829,235,603,489.97/14,061,620.25
  6. Step 6: Final answer
    x = 12,290,847.89

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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.