Home / 8,128,222.74-12,199,643.55-4,344,939.54

Finding the Fourth Proportional to 8,128,222.74, 12,199,643.55 and 4,344,939.54

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Solution

The fourth proportional to 8,128,222.74, 12,199,643.55 and 4,344,939.54 is: 6,521,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,222.74 : 12,199,643.55 = 4,344,939.54 : x
  2. Step 2: Convert to fraction form
    8,128,222.74/12,199,643.55 = 4,344,939.54/x
  3. Step 3: Cross multiply
    8,128,222.74x = 12,199,643.55 × 4,344,939.54
  4. Step 4: Simplify right side
    8,128,222.74x = 53,006,713,634,300.97
  5. Step 5: Solve for x
    x = 53,006,713,634,300.97/8,128,222.74
  6. Step 6: Final answer
    x = 6,521,316.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.