Home / 12,920,029.88-19,383,042.90-4,400,440.16

Finding the Fourth Proportional to 12,920,029.88, 19,383,042.90 and 4,400,440.16

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Solution

The fourth proportional to 12,920,029.88, 19,383,042.90 and 4,400,440.16 is: 6,601,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,029.88 : 19,383,042.90 = 4,400,440.16 : x
  2. Step 2: Convert to fraction form
    12,920,029.88/19,383,042.90 = 4,400,440.16/x
  3. Step 3: Cross multiply
    12,920,029.88x = 19,383,042.90 × 4,400,440.16
  4. Step 4: Simplify right side
    12,920,029.88x = 85,293,920,400,162.86
  5. Step 5: Solve for x
    x = 85,293,920,400,162.86/12,920,029.88
  6. Step 6: Final answer
    x = 6,601,681.36

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1.5x scale

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.