Home / 19,030,642.05-28,557,971.73-8,100,814.98

Finding the Fourth Proportional to 19,030,642.05, 28,557,971.73 and 8,100,814.98

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Solution

The fourth proportional to 19,030,642.05, 28,557,971.73 and 8,100,814.98 is: 12,156,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030,642.05 : 28,557,971.73 = 8,100,814.98 : x
  2. Step 2: Convert to fraction form
    19,030,642.05/28,557,971.73 = 8,100,814.98/x
  3. Step 3: Cross multiply
    19,030,642.05x = 28,557,971.73 × 8,100,814.98
  4. Step 4: Simplify right side
    19,030,642.05x = 231,342,845,188,800.53
  5. Step 5: Solve for x
    x = 231,342,845,188,800.53/19,030,642.05
  6. Step 6: Final answer
    x = 12,156,334.22

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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.