Home / 7,199,419.86-9,935,293.64-3,936,238.37

Finding the Fourth Proportional to 7,199,419.86, 9,935,293.64 and 3,936,238.37

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Solution

The fourth proportional to 7,199,419.86, 9,935,293.64 and 3,936,238.37 is: 5,432,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,419.86 : 9,935,293.64 = 3,936,238.37 : x
  2. Step 2: Convert to fraction form
    7,199,419.86/9,935,293.64 = 3,936,238.37/x
  3. Step 3: Cross multiply
    7,199,419.86x = 9,935,293.64 × 3,936,238.37
  4. Step 4: Simplify right side
    7,199,419.86x = 39,107,684,023,303.77
  5. Step 5: Solve for x
    x = 39,107,684,023,303.77/7,199,419.86
  6. Step 6: Final answer
    x = 5,432,060.47

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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.