Home / 20,643,222.80-30,963,850.05-6,995,030.60

Finding the Fourth Proportional to 20,643,222.80, 30,963,850.05 and 6,995,030.60

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Solution

The fourth proportional to 20,643,222.80, 30,963,850.05 and 6,995,030.60 is: 10,492,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,222.80 : 30,963,850.05 = 6,995,030.60 : x
  2. Step 2: Convert to fraction form
    20,643,222.80/30,963,850.05 = 6,995,030.60/x
  3. Step 3: Cross multiply
    20,643,222.80x = 30,963,850.05 × 6,995,030.60
  4. Step 4: Simplify right side
    20,643,222.80x = 216,593,078,593,561.53
  5. Step 5: Solve for x
    x = 216,593,078,593,561.53/20,643,222.80
  6. Step 6: Final answer
    x = 10,492,212.42

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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.