Home / 28,200,957.87-42,301,582.79-12,837,503.27

Finding the Fourth Proportional to 28,200,957.87, 42,301,582.79 and 12,837,503.27

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Solution

The fourth proportional to 28,200,957.87, 42,301,582.79 and 12,837,503.27 is: 19,256,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,957.87 : 42,301,582.79 = 12,837,503.27 : x
  2. Step 2: Convert to fraction form
    28,200,957.87/42,301,582.79 = 12,837,503.27/x
  3. Step 3: Cross multiply
    28,200,957.87x = 42,301,582.79 × 12,837,503.27
  4. Step 4: Simplify right side
    28,200,957.87x = 543,046,707,434,367.12
  5. Step 5: Solve for x
    x = 543,046,707,434,367.12/28,200,957.87
  6. Step 6: Final answer
    x = 19,256,321.36

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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.