Home / 8,435,156.78-11,640,571.68-4,567,678.14

Finding the Fourth Proportional to 8,435,156.78, 11,640,571.68 and 4,567,678.14

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Solution

The fourth proportional to 8,435,156.78, 11,640,571.68 and 4,567,678.14 is: 6,303,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,156.78 : 11,640,571.68 = 4,567,678.14 : x
  2. Step 2: Convert to fraction form
    8,435,156.78/11,640,571.68 = 4,567,678.14/x
  3. Step 3: Cross multiply
    8,435,156.78x = 11,640,571.68 × 4,567,678.14
  4. Step 4: Simplify right side
    8,435,156.78x = 53,170,384,799,839.07
  5. Step 5: Solve for x
    x = 53,170,384,799,839.07/8,435,156.78
  6. Step 6: Final answer
    x = 6,303,425.79

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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.