Home / 38,600,619.86-57,902,791.93-12,692,347.55

Finding the Fourth Proportional to 38,600,619.86, 57,902,791.93 and 12,692,347.55

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Solution

The fourth proportional to 38,600,619.86, 57,902,791.93 and 12,692,347.55 is: 19,039,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,619.86 : 57,902,791.93 = 12,692,347.55 : x
  2. Step 2: Convert to fraction form
    38,600,619.86/57,902,791.93 = 12,692,347.55/x
  3. Step 3: Cross multiply
    38,600,619.86x = 57,902,791.93 × 12,692,347.55
  4. Step 4: Simplify right side
    38,600,619.86x = 734,922,359,290,895.25
  5. Step 5: Solve for x
    x = 734,922,359,290,895.25/38,600,619.86
  6. Step 6: Final answer
    x = 19,039,133.62

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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.