Home / 7,128,068.80-10,688,166.60-2,863,418.80

Finding the Fourth Proportional to 7,128,068.80, 10,688,166.60 and 2,863,418.80

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Solution

The fourth proportional to 7,128,068.80, 10,688,166.60 and 2,863,418.80 is: 4,293,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,068.80 : 10,688,166.60 = 2,863,418.80 : x
  2. Step 2: Convert to fraction form
    7,128,068.80/10,688,166.60 = 2,863,418.80/x
  3. Step 3: Cross multiply
    7,128,068.80x = 10,688,166.60 × 2,863,418.80
  4. Step 4: Simplify right side
    7,128,068.80x = 30,604,697,179,972.08
  5. Step 5: Solve for x
    x = 30,604,697,179,972.08/7,128,068.80
  6. Step 6: Final answer
    x = 4,293,546.83

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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.