Home / 38,860,632.06-53,629,856.32-21,221,175

Finding the Fourth Proportional to 38,860,632.06, 53,629,856.32 and 21,221,175

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Solution

The fourth proportional to 38,860,632.06, 53,629,856.32 and 21,221,175 is: 29,286,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,860,632.06 : 53,629,856.32 = 21,221,175 : x
  2. Step 2: Convert to fraction form
    38,860,632.06/53,629,856.32 = 21,221,175/x
  3. Step 3: Cross multiply
    38,860,632.06x = 53,629,856.32 × 21,221,175
  4. Step 4: Simplify right side
    38,860,632.06x = 1,138,088,566,191,576
  5. Step 5: Solve for x
    x = 1,138,088,566,191,576/38,860,632.06
  6. Step 6: Final answer
    x = 29,286,414.19

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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.