Home / 8,085,622.60-12,128,433.90-4,042,734.40

Finding the Fourth Proportional to 8,085,622.60, 12,128,433.90 and 4,042,734.40

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Solution

The fourth proportional to 8,085,622.60, 12,128,433.90 and 4,042,734.40 is: 6,064,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,622.60 : 12,128,433.90 = 4,042,734.40 : x
  2. Step 2: Convert to fraction form
    8,085,622.60/12,128,433.90 = 4,042,734.40/x
  3. Step 3: Cross multiply
    8,085,622.60x = 12,128,433.90 × 4,042,734.40
  4. Step 4: Simplify right side
    8,085,622.60x = 49,032,036,945,656.16
  5. Step 5: Solve for x
    x = 49,032,036,945,656.16/8,085,622.60
  6. Step 6: Final answer
    x = 6,064,101.60

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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.