Home / 5,259,814.80-7,889,722.20-5,047,238.40

Finding the Fourth Proportional to 5,259,814.80, 7,889,722.20 and 5,047,238.40

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Solution

The fourth proportional to 5,259,814.80, 7,889,722.20 and 5,047,238.40 is: 7,570,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,814.80 : 7,889,722.20 = 5,047,238.40 : x
  2. Step 2: Convert to fraction form
    5,259,814.80/7,889,722.20 = 5,047,238.40/x
  3. Step 3: Cross multiply
    5,259,814.80x = 7,889,722.20 × 5,047,238.40
  4. Step 4: Simplify right side
    5,259,814.80x = 39,821,308,853,172.48
  5. Step 5: Solve for x
    x = 39,821,308,853,172.48/5,259,814.80
  6. Step 6: Final answer
    x = 7,570,857.60

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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.