Home / 19,008,004.70-28,512,007.05-15,424,823.90

Finding the Fourth Proportional to 19,008,004.70, 28,512,007.05 and 15,424,823.90

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Solution

The fourth proportional to 19,008,004.70, 28,512,007.05 and 15,424,823.90 is: 23,137,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,004.70 : 28,512,007.05 = 15,424,823.90 : x
  2. Step 2: Convert to fraction form
    19,008,004.70/28,512,007.05 = 15,424,823.90/x
  3. Step 3: Cross multiply
    19,008,004.70x = 28,512,007.05 × 15,424,823.90
  4. Step 4: Simplify right side
    19,008,004.70x = 439,792,687,781,808.50
  5. Step 5: Solve for x
    x = 439,792,687,781,808.50/19,008,004.70
  6. Step 6: Final answer
    x = 23,137,235.85

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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.