Home / 47,922,520.28-71,810,633.63-28,453,407.62

Finding the Fourth Proportional to 47,922,520.28, 71,810,633.63 and 28,453,407.62

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Solution

The fourth proportional to 47,922,520.28, 71,810,633.63 and 28,453,407.62 is: 42,636,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922,520.28 : 71,810,633.63 = 28,453,407.62 : x
  2. Step 2: Convert to fraction form
    47,922,520.28/71,810,633.63 = 28,453,407.62/x
  3. Step 3: Cross multiply
    47,922,520.28x = 71,810,633.63 × 28,453,407.62
  4. Step 4: Simplify right side
    47,922,520.28x = 2,043,257,230,124,870.25
  5. Step 5: Solve for x
    x = 2,043,257,230,124,870.25/47,922,520.28
  6. Step 6: Final answer
    x = 42,636,681.42

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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.