Home / 14,195,193.30-21,285,013.95-6,990,884.82

Finding the Fourth Proportional to 14,195,193.30, 21,285,013.95 and 6,990,884.82

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Solution

The fourth proportional to 14,195,193.30, 21,285,013.95 and 6,990,884.82 is: 10,482,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,193.30 : 21,285,013.95 = 6,990,884.82 : x
  2. Step 2: Convert to fraction form
    14,195,193.30/21,285,013.95 = 6,990,884.82/x
  3. Step 3: Cross multiply
    14,195,193.30x = 21,285,013.95 × 6,990,884.82
  4. Step 4: Simplify right side
    14,195,193.30x = 148,801,080,916,543.25
  5. Step 5: Solve for x
    x = 148,801,080,916,543.25/14,195,193.30
  6. Step 6: Final answer
    x = 10,482,497.69

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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.