Home / 14,999,186.40-20,698,811.76-8,383,766.16

Finding the Fourth Proportional to 14,999,186.40, 20,698,811.76 and 8,383,766.16

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Solution

The fourth proportional to 14,999,186.40, 20,698,811.76 and 8,383,766.16 is: 11,569,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999,186.40 : 20,698,811.76 = 8,383,766.16 : x
  2. Step 2: Convert to fraction form
    14,999,186.40/20,698,811.76 = 8,383,766.16/x
  3. Step 3: Cross multiply
    14,999,186.40x = 20,698,811.76 × 8,383,766.16
  4. Step 4: Simplify right side
    14,999,186.40x = 173,533,997,585,698.06
  5. Step 5: Solve for x
    x = 173,533,997,585,698.06/14,999,186.40
  6. Step 6: Final answer
    x = 11,569,560.71

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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.