Home / 21,251,883.52-29,326,730.16-12,552,872.32

Finding the Fourth Proportional to 21,251,883.52, 29,326,730.16 and 12,552,872.32

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Solution

The fourth proportional to 21,251,883.52, 29,326,730.16 and 12,552,872.32 is: 17,322,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251,883.52 : 29,326,730.16 = 12,552,872.32 : x
  2. Step 2: Convert to fraction form
    21,251,883.52/29,326,730.16 = 12,552,872.32/x
  3. Step 3: Cross multiply
    21,251,883.52x = 29,326,730.16 × 12,552,872.32
  4. Step 4: Simplify right side
    21,251,883.52x = 368,134,699,261,573.19
  5. Step 5: Solve for x
    x = 368,134,699,261,573.19/21,251,883.52
  6. Step 6: Final answer
    x = 17,322,450.45

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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.