Home / 5,828,015.20-8,742,022.80-5,261,144.80

Finding the Fourth Proportional to 5,828,015.20, 8,742,022.80 and 5,261,144.80

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Solution

The fourth proportional to 5,828,015.20, 8,742,022.80 and 5,261,144.80 is: 7,891,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828,015.20 : 8,742,022.80 = 5,261,144.80 : x
  2. Step 2: Convert to fraction form
    5,828,015.20/8,742,022.80 = 5,261,144.80/x
  3. Step 3: Cross multiply
    5,828,015.20x = 8,742,022.80 × 5,261,144.80
  4. Step 4: Simplify right side
    5,828,015.20x = 45,993,047,795,701.45
  5. Step 5: Solve for x
    x = 45,993,047,795,701.45/5,828,015.20
  6. Step 6: Final answer
    x = 7,891,717.20

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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.