Home / 12,148,731.10-18,223,312.65-3,629,172.70

Finding the Fourth Proportional to 12,148,731.10, 18,223,312.65 and 3,629,172.70

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Solution

The fourth proportional to 12,148,731.10, 18,223,312.65 and 3,629,172.70 is: 5,443,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,731.10 : 18,223,312.65 = 3,629,172.70 : x
  2. Step 2: Convert to fraction form
    12,148,731.10/18,223,312.65 = 3,629,172.70/x
  3. Step 3: Cross multiply
    12,148,731.10x = 18,223,312.65 × 3,629,172.70
  4. Step 4: Simplify right side
    12,148,731.10x = 66,135,548,772,944.66
  5. Step 5: Solve for x
    x = 66,135,548,772,944.66/12,148,731.10
  6. Step 6: Final answer
    x = 5,443,823.58

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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.