Home / 19,267,442.87-28,893,963.60-7,749,022.41

Finding the Fourth Proportional to 19,267,442.87, 28,893,963.60 and 7,749,022.41

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Solution

The fourth proportional to 19,267,442.87, 28,893,963.60 and 7,749,022.41 is: 11,620,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267,442.87 : 28,893,963.60 = 7,749,022.41 : x
  2. Step 2: Convert to fraction form
    19,267,442.87/28,893,963.60 = 7,749,022.41/x
  3. Step 3: Cross multiply
    19,267,442.87x = 28,893,963.60 × 7,749,022.41
  4. Step 4: Simplify right side
    19,267,442.87x = 223,899,971,450,124.28
  5. Step 5: Solve for x
    x = 223,899,971,450,124.28/19,267,442.87
  6. Step 6: Final answer
    x = 11,620,637.62

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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.