Home / 19,077,885.54-28,487,603.94-15,143,198.64

Finding the Fourth Proportional to 19,077,885.54, 28,487,603.94 and 15,143,198.64

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Solution

The fourth proportional to 19,077,885.54, 28,487,603.94 and 15,143,198.64 is: 22,612,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,885.54 : 28,487,603.94 = 15,143,198.64 : x
  2. Step 2: Convert to fraction form
    19,077,885.54/28,487,603.94 = 15,143,198.64/x
  3. Step 3: Cross multiply
    19,077,885.54x = 28,487,603.94 × 15,143,198.64
  4. Step 4: Simplify right side
    19,077,885.54x = 431,393,445,241,066.69
  5. Step 5: Solve for x
    x = 431,393,445,241,066.69/19,077,885.54
  6. Step 6: Final answer
    x = 22,612,225.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.