Home / 8,697,664.80-13,035,999.60-4,435,639.20

Finding the Fourth Proportional to 8,697,664.80, 13,035,999.60 and 4,435,639.20

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Solution

The fourth proportional to 8,697,664.80, 13,035,999.60 and 4,435,639.20 is: 6,648,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,664.80 : 13,035,999.60 = 4,435,639.20 : x
  2. Step 2: Convert to fraction form
    8,697,664.80/13,035,999.60 = 4,435,639.20/x
  3. Step 3: Cross multiply
    8,697,664.80x = 13,035,999.60 × 4,435,639.20
  4. Step 4: Simplify right side
    8,697,664.80x = 57,822,990,836,944.32
  5. Step 5: Solve for x
    x = 57,822,990,836,944.32/8,697,664.80
  6. Step 6: Final answer
    x = 6,648,105.23

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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.