Home / 13,122,000.80-19,683,001.20-9,295,625.60

Finding the Fourth Proportional to 13,122,000.80, 19,683,001.20 and 9,295,625.60

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Solution

The fourth proportional to 13,122,000.80, 19,683,001.20 and 9,295,625.60 is: 13,943,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,000.80 : 19,683,001.20 = 9,295,625.60 : x
  2. Step 2: Convert to fraction form
    13,122,000.80/19,683,001.20 = 9,295,625.60/x
  3. Step 3: Cross multiply
    13,122,000.80x = 19,683,001.20 × 9,295,625.60
  4. Step 4: Simplify right side
    13,122,000.80x = 182,965,809,839,550.72
  5. Step 5: Solve for x
    x = 182,965,809,839,550.72/13,122,000.80
  6. Step 6: Final answer
    x = 13,943,438.40

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1.5x scale

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.