Home / 47,922,518.40-71,810,630.82-28,453,405.74

Finding the Fourth Proportional to 47,922,518.40, 71,810,630.82 and 28,453,405.74

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Solution

The fourth proportional to 47,922,518.40, 71,810,630.82 and 28,453,405.74 is: 42,636,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922,518.40 : 71,810,630.82 = 28,453,405.74 : x
  2. Step 2: Convert to fraction form
    47,922,518.40/71,810,630.82 = 28,453,405.74/x
  3. Step 3: Cross multiply
    47,922,518.40x = 71,810,630.82 × 28,453,405.74
  4. Step 4: Simplify right side
    47,922,518.40x = 2,043,257,015,166,808.50
  5. Step 5: Solve for x
    x = 2,043,257,015,166,808.50/47,922,518.40
  6. Step 6: Final answer
    x = 42,636,678.61

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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.