Home / 7,243,909.47-9,994,415.09-4,342,241.61

Finding the Fourth Proportional to 7,243,909.47, 9,994,415.09 and 4,342,241.61

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Solution

The fourth proportional to 7,243,909.47, 9,994,415.09 and 4,342,241.61 is: 5,990,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,909.47 : 9,994,415.09 = 4,342,241.61 : x
  2. Step 2: Convert to fraction form
    7,243,909.47/9,994,415.09 = 4,342,241.61/x
  3. Step 3: Cross multiply
    7,243,909.47x = 9,994,415.09 × 4,342,241.61
  4. Step 4: Simplify right side
    7,243,909.47x = 43,398,165,071,409.90
  5. Step 5: Solve for x
    x = 43,398,165,071,409.90/7,243,909.47
  6. Step 6: Final answer
    x = 5,990,986.67

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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.