Home / 7,218,960-9,962,164.80-3,999,696

Finding the Fourth Proportional to 7,218,960, 9,962,164.80 and 3,999,696

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Solution

The fourth proportional to 7,218,960, 9,962,164.80 and 3,999,696 is: 5,519,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,960 : 9,962,164.80 = 3,999,696 : x
  2. Step 2: Convert to fraction form
    7,218,960/9,962,164.80 = 3,999,696/x
  3. Step 3: Cross multiply
    7,218,960x = 9,962,164.80 × 3,999,696
  4. Step 4: Simplify right side
    7,218,960x = 39,845,630,701,900.80
  5. Step 5: Solve for x
    x = 39,845,630,701,900.80/7,218,960
  6. Step 6: Final answer
    x = 5,519,580.48

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1.5x scale

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.