Home / 12,344,809.69-18,519,814.67-4,668,284.59

Finding the Fourth Proportional to 12,344,809.69, 18,519,814.67 and 4,668,284.59

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Solution

The fourth proportional to 12,344,809.69, 18,519,814.67 and 4,668,284.59 is: 7,003,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,809.69 : 18,519,814.67 = 4,668,284.59 : x
  2. Step 2: Convert to fraction form
    12,344,809.69/18,519,814.67 = 4,668,284.59/x
  3. Step 3: Cross multiply
    12,344,809.69x = 18,519,814.67 × 4,668,284.59
  4. Step 4: Simplify right side
    12,344,809.69x = 86,455,765,433,616.94
  5. Step 5: Solve for x
    x = 86,455,765,433,616.94/12,344,809.69
  6. Step 6: Final answer
    x = 7,003,410.15

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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.