Home / 8,263,477.20-12,395,215.80-5,030,216.40

Finding the Fourth Proportional to 8,263,477.20, 12,395,215.80 and 5,030,216.40

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Solution

The fourth proportional to 8,263,477.20, 12,395,215.80 and 5,030,216.40 is: 7,545,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,477.20 : 12,395,215.80 = 5,030,216.40 : x
  2. Step 2: Convert to fraction form
    8,263,477.20/12,395,215.80 = 5,030,216.40/x
  3. Step 3: Cross multiply
    8,263,477.20x = 12,395,215.80 × 5,030,216.40
  4. Step 4: Simplify right side
    8,263,477.20x = 62,350,617,798,699.12
  5. Step 5: Solve for x
    x = 62,350,617,798,699.12/8,263,477.20
  6. Step 6: Final answer
    x = 7,545,324.60

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Similar ratio
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1.5x scale

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.