Home / 8,809,660.80-13,214,491.20-6,570,172.80

Finding the Fourth Proportional to 8,809,660.80, 13,214,491.20 and 6,570,172.80

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Solution

The fourth proportional to 8,809,660.80, 13,214,491.20 and 6,570,172.80 is: 9,855,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,660.80 : 13,214,491.20 = 6,570,172.80 : x
  2. Step 2: Convert to fraction form
    8,809,660.80/13,214,491.20 = 6,570,172.80/x
  3. Step 3: Cross multiply
    8,809,660.80x = 13,214,491.20 × 6,570,172.80
  4. Step 4: Simplify right side
    8,809,660.80x = 86,821,490,648,079.36
  5. Step 5: Solve for x
    x = 86,821,490,648,079.36/8,809,660.80
  6. Step 6: Final answer
    x = 9,855,259.20

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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.