Home / 12,409,740.18-18,614,615.67-3,890,740.86

Finding the Fourth Proportional to 12,409,740.18, 18,614,615.67 and 3,890,740.86

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Solution

The fourth proportional to 12,409,740.18, 18,614,615.67 and 3,890,740.86 is: 5,836,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,740.18 : 18,614,615.67 = 3,890,740.86 : x
  2. Step 2: Convert to fraction form
    12,409,740.18/18,614,615.67 = 3,890,740.86/x
  3. Step 3: Cross multiply
    12,409,740.18x = 18,614,615.67 × 3,890,740.86
  4. Step 4: Simplify right side
    12,409,740.18x = 72,424,645,780,465.28
  5. Step 5: Solve for x
    x = 72,424,645,780,465.28/12,409,740.18
  6. Step 6: Final answer
    x = 5,836,112.98

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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.