Home / 13,835,412.72-20,765,712.70-7,363,921.16

Finding the Fourth Proportional to 13,835,412.72, 20,765,712.70 and 7,363,921.16

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Solution

The fourth proportional to 13,835,412.72, 20,765,712.70 and 7,363,921.16 is: 11,052,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,412.72 : 20,765,712.70 = 7,363,921.16 : x
  2. Step 2: Convert to fraction form
    13,835,412.72/20,765,712.70 = 7,363,921.16/x
  3. Step 3: Cross multiply
    13,835,412.72x = 20,765,712.70 × 7,363,921.16
  4. Step 4: Simplify right side
    13,835,412.72x = 152,917,071,050,182.16
  5. Step 5: Solve for x
    x = 152,917,071,050,182.16/13,835,412.72
  6. Step 6: Final answer
    x = 11,052,584.71

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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.