Home / 7,000,149.50-9,660,212.80-3,780,885.50

Finding the Fourth Proportional to 7,000,149.50, 9,660,212.80 and 3,780,885.50

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Solution

The fourth proportional to 7,000,149.50, 9,660,212.80 and 3,780,885.50 is: 5,217,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,149.50 : 9,660,212.80 = 3,780,885.50 : x
  2. Step 2: Convert to fraction form
    7,000,149.50/9,660,212.80 = 3,780,885.50/x
  3. Step 3: Cross multiply
    7,000,149.50x = 9,660,212.80 × 3,780,885.50
  4. Step 4: Simplify right side
    7,000,149.50x = 36,524,158,502,434.41
  5. Step 5: Solve for x
    x = 36,524,158,502,434.41/7,000,149.50
  6. Step 6: Final answer
    x = 5,217,625.50

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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.