Home / 8,542,511.40-12,806,328.06-3,490,599.72

Finding the Fourth Proportional to 8,542,511.40, 12,806,328.06 and 3,490,599.72

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Solution

The fourth proportional to 8,542,511.40, 12,806,328.06 and 3,490,599.72 is: 5,232,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542,511.40 : 12,806,328.06 = 3,490,599.72 : x
  2. Step 2: Convert to fraction form
    8,542,511.40/12,806,328.06 = 3,490,599.72/x
  3. Step 3: Cross multiply
    8,542,511.40x = 12,806,328.06 × 3,490,599.72
  4. Step 4: Simplify right side
    8,542,511.40x = 44,701,765,140,464.15
  5. Step 5: Solve for x
    x = 44,701,765,140,464.15/8,542,511.40
  6. Step 6: Final answer
    x = 5,232,859.88

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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.