Home / 8,305,124.40-12,459,436.20-3,510,345.60

Finding the Fourth Proportional to 8,305,124.40, 12,459,436.20 and 3,510,345.60

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Solution

The fourth proportional to 8,305,124.40, 12,459,436.20 and 3,510,345.60 is: 5,266,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,124.40 : 12,459,436.20 = 3,510,345.60 : x
  2. Step 2: Convert to fraction form
    8,305,124.40/12,459,436.20 = 3,510,345.60/x
  3. Step 3: Cross multiply
    8,305,124.40x = 12,459,436.20 × 3,510,345.60
  4. Step 4: Simplify right side
    8,305,124.40x = 43,736,927,043,150.72
  5. Step 5: Solve for x
    x = 43,736,927,043,150.72/8,305,124.40
  6. Step 6: Final answer
    x = 5,266,257.91

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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.