Home / 8,289,986.65-12,430,551.30-3,492,255.40

Finding the Fourth Proportional to 8,289,986.65, 12,430,551.30 and 3,492,255.40

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Solution

The fourth proportional to 8,289,986.65, 12,430,551.30 and 3,492,255.40 is: 5,236,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,986.65 : 12,430,551.30 = 3,492,255.40 : x
  2. Step 2: Convert to fraction form
    8,289,986.65/12,430,551.30 = 3,492,255.40/x
  3. Step 3: Cross multiply
    8,289,986.65x = 12,430,551.30 × 3,492,255.40
  4. Step 4: Simplify right side
    8,289,986.65x = 43,410,659,902,402.02
  5. Step 5: Solve for x
    x = 43,410,659,902,402.02/8,289,986.65
  6. Step 6: Final answer
    x = 5,236,517.47

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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.