Home / 28,969,312.20-43,453,968.30-25,778,041.80

Finding the Fourth Proportional to 28,969,312.20, 43,453,968.30 and 25,778,041.80

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Solution

The fourth proportional to 28,969,312.20, 43,453,968.30 and 25,778,041.80 is: 38,667,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,312.20 : 43,453,968.30 = 25,778,041.80 : x
  2. Step 2: Convert to fraction form
    28,969,312.20/43,453,968.30 = 25,778,041.80/x
  3. Step 3: Cross multiply
    28,969,312.20x = 43,453,968.30 × 25,778,041.80
  4. Step 4: Simplify right side
    28,969,312.20x = 1,120,158,211,213,274.88
  5. Step 5: Solve for x
    x = 1,120,158,211,213,274.88/28,969,312.20
  6. Step 6: Final answer
    x = 38,667,062.70

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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.