Home / 47,922,518.78-71,810,631.38-28,453,406.12

Finding the Fourth Proportional to 47,922,518.78, 71,810,631.38 and 28,453,406.12

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Solution

The fourth proportional to 47,922,518.78, 71,810,631.38 and 28,453,406.12 is: 42,636,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922,518.78 : 71,810,631.38 = 28,453,406.12 : x
  2. Step 2: Convert to fraction form
    47,922,518.78/71,810,631.38 = 28,453,406.12/x
  3. Step 3: Cross multiply
    47,922,518.78x = 71,810,631.38 × 28,453,406.12
  4. Step 4: Simplify right side
    47,922,518.78x = 2,043,257,058,100,836
  5. Step 5: Solve for x
    x = 2,043,257,058,100,836/47,922,518.78
  6. Step 6: Final answer
    x = 42,636,679.17

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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.