Home / 7,280,712.80-10,936,815.60-5,154,948.80

Finding the Fourth Proportional to 7,280,712.80, 10,936,815.60 and 5,154,948.80

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Solution

The fourth proportional to 7,280,712.80, 10,936,815.60 and 5,154,948.80 is: 7,743,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,712.80 : 10,936,815.60 = 5,154,948.80 : x
  2. Step 2: Convert to fraction form
    7,280,712.80/10,936,815.60 = 5,154,948.80/x
  3. Step 3: Cross multiply
    7,280,712.80x = 10,936,815.60 × 5,154,948.80
  4. Step 4: Simplify right side
    7,280,712.80x = 56,378,724,453,041.27
  5. Step 5: Solve for x
    x = 56,378,724,453,041.27/7,280,712.80
  6. Step 6: Final answer
    x = 7,743,572.09

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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.