Home / 7,620,211.69-10,515,343.04-4,357,163.95

Finding the Fourth Proportional to 7,620,211.69, 10,515,343.04 and 4,357,163.95

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Solution

The fourth proportional to 7,620,211.69, 10,515,343.04 and 4,357,163.95 is: 6,012,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,211.69 : 10,515,343.04 = 4,357,163.95 : x
  2. Step 2: Convert to fraction form
    7,620,211.69/10,515,343.04 = 4,357,163.95/x
  3. Step 3: Cross multiply
    7,620,211.69x = 10,515,343.04 × 4,357,163.95
  4. Step 4: Simplify right side
    7,620,211.69x = 45,817,073,615,771.41
  5. Step 5: Solve for x
    x = 45,817,073,615,771.41/7,620,211.69
  6. Step 6: Final answer
    x = 6,012,572.29

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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.