Home / 8,118,100.40-11,202,981.41-4,447,148.60

Finding the Fourth Proportional to 8,118,100.40, 11,202,981.41 and 4,447,148.60

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Solution

The fourth proportional to 8,118,100.40, 11,202,981.41 and 4,447,148.60 is: 6,137,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,100.40 : 11,202,981.41 = 4,447,148.60 : x
  2. Step 2: Convert to fraction form
    8,118,100.40/11,202,981.41 = 4,447,148.60/x
  3. Step 3: Cross multiply
    8,118,100.40x = 11,202,981.41 × 4,447,148.60
  4. Step 4: Simplify right side
    8,118,100.40x = 49,821,323,132,432.85
  5. Step 5: Solve for x
    x = 49,821,323,132,432.85/8,118,100.40
  6. Step 6: Final answer
    x = 6,137,066.64

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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.