Home / 7,918,927.50-10,928,119.95-4,297,255.50

Finding the Fourth Proportional to 7,918,927.50, 10,928,119.95 and 4,297,255.50

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Solution

The fourth proportional to 7,918,927.50, 10,928,119.95 and 4,297,255.50 is: 5,930,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,927.50 : 10,928,119.95 = 4,297,255.50 : x
  2. Step 2: Convert to fraction form
    7,918,927.50/10,928,119.95 = 4,297,255.50/x
  3. Step 3: Cross multiply
    7,918,927.50x = 10,928,119.95 × 4,297,255.50
  4. Step 4: Simplify right side
    7,918,927.50x = 46,960,923,559,797.22
  5. Step 5: Solve for x
    x = 46,960,923,559,797.22/7,918,927.50
  6. Step 6: Final answer
    x = 5,930,212.59

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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.