Home / 30,448,627.84-42,020,080.32-16,697,559.52

Finding the Fourth Proportional to 30,448,627.84, 42,020,080.32 and 16,697,559.52

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Solution

The fourth proportional to 30,448,627.84, 42,020,080.32 and 16,697,559.52 is: 23,043,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,627.84 : 42,020,080.32 = 16,697,559.52 : x
  2. Step 2: Convert to fraction form
    30,448,627.84/42,020,080.32 = 16,697,559.52/x
  3. Step 3: Cross multiply
    30,448,627.84x = 42,020,080.32 × 16,697,559.52
  4. Step 4: Simplify right side
    30,448,627.84x = 701,632,792,178,380.62
  5. Step 5: Solve for x
    x = 701,632,792,178,380.62/30,448,627.84
  6. Step 6: Final answer
    x = 23,043,166.21

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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.