Home / 7,119,275.02-9,821,887.86-5,263,147.42

Finding the Fourth Proportional to 7,119,275.02, 9,821,887.86 and 5,263,147.42

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Solution

The fourth proportional to 7,119,275.02, 9,821,887.86 and 5,263,147.42 is: 7,261,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,275.02 : 9,821,887.86 = 5,263,147.42 : x
  2. Step 2: Convert to fraction form
    7,119,275.02/9,821,887.86 = 5,263,147.42/x
  3. Step 3: Cross multiply
    7,119,275.02x = 9,821,887.86 × 5,263,147.42
  4. Step 4: Simplify right side
    7,119,275.02x = 51,694,043,749,888.32
  5. Step 5: Solve for x
    x = 51,694,043,749,888.32/7,119,275.02
  6. Step 6: Final answer
    x = 7,261,138.75

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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.