Home / 43,345,657.40-65,029,336.18-12,640,240.10

Finding the Fourth Proportional to 43,345,657.40, 65,029,336.18 and 12,640,240.10

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Solution

The fourth proportional to 43,345,657.40, 65,029,336.18 and 12,640,240.10 is: 18,963,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345,657.40 : 65,029,336.18 = 12,640,240.10 : x
  2. Step 2: Convert to fraction form
    43,345,657.40/65,029,336.18 = 12,640,240.10/x
  3. Step 3: Cross multiply
    43,345,657.40x = 65,029,336.18 × 12,640,240.10
  4. Step 4: Simplify right side
    43,345,657.40x = 821,986,422,989,789.50
  5. Step 5: Solve for x
    x = 821,986,422,989,789.50/43,345,657.40
  6. Step 6: Final answer
    x = 18,963,524.20

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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.