Home / 28,003,763.80-42,005,645.70-6,728,627.80

Finding the Fourth Proportional to 28,003,763.80, 42,005,645.70 and 6,728,627.80

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Solution

The fourth proportional to 28,003,763.80, 42,005,645.70 and 6,728,627.80 is: 10,092,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,763.80 : 42,005,645.70 = 6,728,627.80 : x
  2. Step 2: Convert to fraction form
    28,003,763.80/42,005,645.70 = 6,728,627.80/x
  3. Step 3: Cross multiply
    28,003,763.80x = 42,005,645.70 × 6,728,627.80
  4. Step 4: Simplify right side
    28,003,763.80x = 282,640,355,413,970.50
  5. Step 5: Solve for x
    x = 282,640,355,413,970.50/28,003,763.80
  6. Step 6: Final answer
    x = 10,092,941.70

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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.