Home / 19,278,185.67-26,603,894.22-10,905,376.53

Finding the Fourth Proportional to 19,278,185.67, 26,603,894.22 and 10,905,376.53

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Solution

The fourth proportional to 19,278,185.67, 26,603,894.22 and 10,905,376.53 is: 15,049,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,185.67 : 26,603,894.22 = 10,905,376.53 : x
  2. Step 2: Convert to fraction form
    19,278,185.67/26,603,894.22 = 10,905,376.53/x
  3. Step 3: Cross multiply
    19,278,185.67x = 26,603,894.22 × 10,905,376.53
  4. Step 4: Simplify right side
    19,278,185.67x = 290,125,483,633,390.62
  5. Step 5: Solve for x
    x = 290,125,483,633,390.62/19,278,185.67
  6. Step 6: Final answer
    x = 15,049,418.48

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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.