Home / 8,255,780.65-12,383,670.98-4,429,405.45

Finding the Fourth Proportional to 8,255,780.65, 12,383,670.98 and 4,429,405.45

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Solution

The fourth proportional to 8,255,780.65, 12,383,670.98 and 4,429,405.45 is: 6,644,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,780.65 : 12,383,670.98 = 4,429,405.45 : x
  2. Step 2: Convert to fraction form
    8,255,780.65/12,383,670.98 = 4,429,405.45/x
  3. Step 3: Cross multiply
    8,255,780.65x = 12,383,670.98 × 4,429,405.45
  4. Step 4: Simplify right side
    8,255,780.65x = 54,852,299,729,818.84
  5. Step 5: Solve for x
    x = 54,852,299,729,818.84/8,255,780.65
  6. Step 6: Final answer
    x = 6,644,108.18

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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.