Home / 18,911,649-28,367,473.50-4,728,225

Finding the Fourth Proportional to 18,911,649, 28,367,473.50 and 4,728,225

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Solution

The fourth proportional to 18,911,649, 28,367,473.50 and 4,728,225 is: 7,092,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,649 : 28,367,473.50 = 4,728,225 : x
  2. Step 2: Convert to fraction form
    18,911,649/28,367,473.50 = 4,728,225/x
  3. Step 3: Cross multiply
    18,911,649x = 28,367,473.50 × 4,728,225
  4. Step 4: Simplify right side
    18,911,649x = 134,127,797,389,537.50
  5. Step 5: Solve for x
    x = 134,127,797,389,537.50/18,911,649
  6. Step 6: Final answer
    x = 7,092,337.50

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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.