Home / 7,085,631.54-9,782,878.02-5,451,155.22

Finding the Fourth Proportional to 7,085,631.54, 9,782,878.02 and 5,451,155.22

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Solution

The fourth proportional to 7,085,631.54, 9,782,878.02 and 5,451,155.22 is: 7,526,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,631.54 : 9,782,878.02 = 5,451,155.22 : x
  2. Step 2: Convert to fraction form
    7,085,631.54/9,782,878.02 = 5,451,155.22/x
  3. Step 3: Cross multiply
    7,085,631.54x = 9,782,878.02 × 5,451,155.22
  4. Step 4: Simplify right side
    7,085,631.54x = 53,327,986,585,346.26
  5. Step 5: Solve for x
    x = 53,327,986,585,346.26/7,085,631.54
  6. Step 6: Final answer
    x = 7,526,215.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.