Home / 12,464,686.80-18,686,532.60-6,481,054.80

Finding the Fourth Proportional to 12,464,686.80, 18,686,532.60 and 6,481,054.80

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Solution

The fourth proportional to 12,464,686.80, 18,686,532.60 and 6,481,054.80 is: 9,716,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,686.80 : 18,686,532.60 = 6,481,054.80 : x
  2. Step 2: Convert to fraction form
    12,464,686.80/18,686,532.60 = 6,481,054.80/x
  3. Step 3: Cross multiply
    12,464,686.80x = 18,686,532.60 × 6,481,054.80
  4. Step 4: Simplify right side
    12,464,686.80x = 121,108,441,802,586.48
  5. Step 5: Solve for x
    x = 121,108,441,802,586.48/12,464,686.80
  6. Step 6: Final answer
    x = 9,716,123.94

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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.