Home / 19,040,192.64-26,268,977.16-12,168,638.64

Finding the Fourth Proportional to 19,040,192.64, 26,268,977.16 and 12,168,638.64

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Solution

The fourth proportional to 19,040,192.64, 26,268,977.16 and 12,168,638.64 is: 16,788,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040,192.64 : 26,268,977.16 = 12,168,638.64 : x
  2. Step 2: Convert to fraction form
    19,040,192.64/26,268,977.16 = 12,168,638.64/x
  3. Step 3: Cross multiply
    19,040,192.64x = 26,268,977.16 × 12,168,638.64
  4. Step 4: Simplify right side
    19,040,192.64x = 319,657,690,502,453.50
  5. Step 5: Solve for x
    x = 319,657,690,502,453.50/19,040,192.64
  6. Step 6: Final answer
    x = 16,788,574.39

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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.