Home / 12,315,056.80-18,441,092.40-9,102,791.20

Finding the Fourth Proportional to 12,315,056.80, 18,441,092.40 and 9,102,791.20

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Solution

The fourth proportional to 12,315,056.80, 18,441,092.40 and 9,102,791.20 is: 13,630,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,056.80 : 18,441,092.40 = 9,102,791.20 : x
  2. Step 2: Convert to fraction form
    12,315,056.80/18,441,092.40 = 9,102,791.20/x
  3. Step 3: Cross multiply
    12,315,056.80x = 18,441,092.40 × 9,102,791.20
  4. Step 4: Simplify right side
    12,315,056.80x = 167,865,413,617,106.84
  5. Step 5: Solve for x
    x = 167,865,413,617,106.84/12,315,056.80
  6. Step 6: Final answer
    x = 13,630,908.60

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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.