Home / 7,020,512.80-10,530,769.20-1,701,728.80

Finding the Fourth Proportional to 7,020,512.80, 10,530,769.20 and 1,701,728.80

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Solution

The fourth proportional to 7,020,512.80, 10,530,769.20 and 1,701,728.80 is: 2,552,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,512.80 : 10,530,769.20 = 1,701,728.80 : x
  2. Step 2: Convert to fraction form
    7,020,512.80/10,530,769.20 = 1,701,728.80/x
  3. Step 3: Cross multiply
    7,020,512.80x = 10,530,769.20 × 1,701,728.80
  4. Step 4: Simplify right side
    7,020,512.80x = 17,920,513,233,792.96
  5. Step 5: Solve for x
    x = 17,920,513,233,792.96/7,020,512.80
  6. Step 6: Final answer
    x = 2,552,593.20

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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.