Home / 12,745,161.12-19,117,759.96-9,729,648.42

Finding the Fourth Proportional to 12,745,161.12, 19,117,759.96 and 9,729,648.42

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Solution

The fourth proportional to 12,745,161.12, 19,117,759.96 and 9,729,648.42 is: 14,594,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,161.12 : 19,117,759.96 = 9,729,648.42 : x
  2. Step 2: Convert to fraction form
    12,745,161.12/19,117,759.96 = 9,729,648.42/x
  3. Step 3: Cross multiply
    12,745,161.12x = 19,117,759.96 × 9,729,648.42
  4. Step 4: Simplify right side
    12,745,161.12x = 186,009,082,893,164.47
  5. Step 5: Solve for x
    x = 186,009,082,893,164.47/12,745,161.12
  6. Step 6: Final answer
    x = 14,594,486.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.