Home / 12,280,602.80-18,420,904.20-3,645,014.60

Finding the Fourth Proportional to 12,280,602.80, 18,420,904.20 and 3,645,014.60

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Solution

The fourth proportional to 12,280,602.80, 18,420,904.20 and 3,645,014.60 is: 5,467,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,602.80 : 18,420,904.20 = 3,645,014.60 : x
  2. Step 2: Convert to fraction form
    12,280,602.80/18,420,904.20 = 3,645,014.60/x
  3. Step 3: Cross multiply
    12,280,602.80x = 18,420,904.20 × 3,645,014.60
  4. Step 4: Simplify right side
    12,280,602.80x = 67,144,464,754,201.32
  5. Step 5: Solve for x
    x = 67,144,464,754,201.32/12,280,602.80
  6. Step 6: Final answer
    x = 5,467,521.90

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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.