Home / 38,965,505.75-53,772,876.23-21,563,470.20

Finding the Fourth Proportional to 38,965,505.75, 53,772,876.23 and 21,563,470.20

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Solution

The fourth proportional to 38,965,505.75, 53,772,876.23 and 21,563,470.20 is: 29,757,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965,505.75 : 53,772,876.23 = 21,563,470.20 : x
  2. Step 2: Convert to fraction form
    38,965,505.75/53,772,876.23 = 21,563,470.20/x
  3. Step 3: Cross multiply
    38,965,505.75x = 53,772,876.23 × 21,563,470.20
  4. Step 4: Simplify right side
    38,965,505.75x = 1,159,529,814,046,076
  5. Step 5: Solve for x
    x = 1,159,529,814,046,076/38,965,505.75
  6. Step 6: Final answer
    x = 29,757,853.57

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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.