Home / 47,922,515.40-71,810,626.38-28,453,402.80

Finding the Fourth Proportional to 47,922,515.40, 71,810,626.38 and 28,453,402.80

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Solution

The fourth proportional to 47,922,515.40, 71,810,626.38 and 28,453,402.80 is: 42,636,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922,515.40 : 71,810,626.38 = 28,453,402.80 : x
  2. Step 2: Convert to fraction form
    47,922,515.40/71,810,626.38 = 28,453,402.80/x
  3. Step 3: Cross multiply
    47,922,515.40x = 71,810,626.38 × 28,453,402.80
  4. Step 4: Simplify right side
    47,922,515.40x = 2,043,256,677,710,445.75
  5. Step 5: Solve for x
    x = 2,043,256,677,710,445.75/47,922,515.40
  6. Step 6: Final answer
    x = 42,636,674.24

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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.