Home / 38,596,326.90-53,262,931.32-21,192,672.06

Finding the Fourth Proportional to 38,596,326.90, 53,262,931.32 and 21,192,672.06

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Solution

The fourth proportional to 38,596,326.90, 53,262,931.32 and 21,192,672.06 is: 29,245,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,596,326.90 : 53,262,931.32 = 21,192,672.06 : x
  2. Step 2: Convert to fraction form
    38,596,326.90/53,262,931.32 = 21,192,672.06/x
  3. Step 3: Cross multiply
    38,596,326.90x = 53,262,931.32 × 21,192,672.06
  4. Step 4: Simplify right side
    38,596,326.90x = 1,128,783,836,419,062.75
  5. Step 5: Solve for x
    x = 1,128,783,836,419,062.75/38,596,326.90
  6. Step 6: Final answer
    x = 29,245,887.55

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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.