Home / 7,119,271.02-9,821,882.34-5,263,143.42

Finding the Fourth Proportional to 7,119,271.02, 9,821,882.34 and 5,263,143.42

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Solution

The fourth proportional to 7,119,271.02, 9,821,882.34 and 5,263,143.42 is: 7,261,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,271.02 : 9,821,882.34 = 5,263,143.42 : x
  2. Step 2: Convert to fraction form
    7,119,271.02/9,821,882.34 = 5,263,143.42/x
  3. Step 3: Cross multiply
    7,119,271.02x = 9,821,882.34 × 5,263,143.42
  4. Step 4: Simplify right side
    7,119,271.02x = 51,693,975,409,785.20
  5. Step 5: Solve for x
    x = 51,693,975,409,785.20/7,119,271.02
  6. Step 6: Final answer
    x = 7,261,133.23

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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.