Home / 12,072,200.80-18,102,080.40-4,495,266.40

Finding the Fourth Proportional to 12,072,200.80, 18,102,080.40 and 4,495,266.40

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Solution

The fourth proportional to 12,072,200.80, 18,102,080.40 and 4,495,266.40 is: 6,740,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,200.80 : 18,102,080.40 = 4,495,266.40 : x
  2. Step 2: Convert to fraction form
    12,072,200.80/18,102,080.40 = 4,495,266.40/x
  3. Step 3: Cross multiply
    12,072,200.80x = 18,102,080.40 × 4,495,266.40
  4. Step 4: Simplify right side
    12,072,200.80x = 81,373,673,792,218.56
  5. Step 5: Solve for x
    x = 81,373,673,792,218.56/12,072,200.80
  6. Step 6: Final answer
    x = 6,740,583.19

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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.