Home / 12,335,515.55-18,504,512.63-4,247,420.93

Finding the Fourth Proportional to 12,335,515.55, 18,504,512.63 and 4,247,420.93

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Solution

The fourth proportional to 12,335,515.55, 18,504,512.63 and 4,247,420.93 is: 6,371,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,515.55 : 18,504,512.63 = 4,247,420.93 : x
  2. Step 2: Convert to fraction form
    12,335,515.55/18,504,512.63 = 4,247,420.93/x
  3. Step 3: Cross multiply
    12,335,515.55x = 18,504,512.63 × 4,247,420.93
  4. Step 4: Simplify right side
    12,335,515.55x = 78,596,454,130,351.67
  5. Step 5: Solve for x
    x = 78,596,454,130,351.67/12,335,515.55
  6. Step 6: Final answer
    x = 6,371,558.11

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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.