Home / 38,665,105.96-53,359,215.92-21,262,775.32

Finding the Fourth Proportional to 38,665,105.96, 53,359,215.92 and 21,262,775.32

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Solution

The fourth proportional to 38,665,105.96, 53,359,215.92 and 21,262,775.32 is: 29,343,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,105.96 : 53,359,215.92 = 21,262,775.32 : x
  2. Step 2: Convert to fraction form
    38,665,105.96/53,359,215.92 = 21,262,775.32/x
  3. Step 3: Cross multiply
    38,665,105.96x = 53,359,215.92 × 21,262,775.32
  4. Step 4: Simplify right side
    38,665,105.96x = 1,134,565,019,358,327.25
  5. Step 5: Solve for x
    x = 1,134,565,019,358,327.25/38,665,105.96
  6. Step 6: Final answer
    x = 29,343,383.17

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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.