Home / 8,133,086.80-12,185,633.40-5,291,736.40

Finding the Fourth Proportional to 8,133,086.80, 12,185,633.40 and 5,291,736.40

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Solution

The fourth proportional to 8,133,086.80, 12,185,633.40 and 5,291,736.40 is: 7,928,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,086.80 : 12,185,633.40 = 5,291,736.40 : x
  2. Step 2: Convert to fraction form
    8,133,086.80/12,185,633.40 = 5,291,736.40/x
  3. Step 3: Cross multiply
    8,133,086.80x = 12,185,633.40 × 5,291,736.40
  4. Step 4: Simplify right side
    8,133,086.80x = 64,483,159,819,835.77
  5. Step 5: Solve for x
    x = 64,483,159,819,835.77/8,133,086.80
  6. Step 6: Final answer
    x = 7,928,497.68

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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.