Home / 38,465,696.64-53,082,675.36-21,063,144.72

Finding the Fourth Proportional to 38,465,696.64, 53,082,675.36 and 21,063,144.72

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Solution

The fourth proportional to 38,465,696.64, 53,082,675.36 and 21,063,144.72 is: 29,067,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465,696.64 : 53,082,675.36 = 21,063,144.72 : x
  2. Step 2: Convert to fraction form
    38,465,696.64/53,082,675.36 = 21,063,144.72/x
  3. Step 3: Cross multiply
    38,465,696.64x = 53,082,675.36 × 21,063,144.72
  4. Step 4: Simplify right side
    38,465,696.64x = 1,118,088,073,232,458
  5. Step 5: Solve for x
    x = 1,118,088,073,232,458/38,465,696.64
  6. Step 6: Final answer
    x = 29,067,147.38

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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.