Home / 13,600,853.13-18,768,443.25-7,799,879.37

Finding the Fourth Proportional to 13,600,853.13, 18,768,443.25 and 7,799,879.37

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Solution

The fourth proportional to 13,600,853.13, 18,768,443.25 and 7,799,879.37 is: 10,763,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,853.13 : 18,768,443.25 = 7,799,879.37 : x
  2. Step 2: Convert to fraction form
    13,600,853.13/18,768,443.25 = 7,799,879.37/x
  3. Step 3: Cross multiply
    13,600,853.13x = 18,768,443.25 × 7,799,879.37
  4. Step 4: Simplify right side
    13,600,853.13x = 146,391,593,312,690.75
  5. Step 5: Solve for x
    x = 146,391,593,312,690.75/13,600,853.13
  6. Step 6: Final answer
    x = 10,763,412.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.