Home / 8,460,025.20-12,690,037.80-4,208,497.20

Finding the Fourth Proportional to 8,460,025.20, 12,690,037.80 and 4,208,497.20

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Solution

The fourth proportional to 8,460,025.20, 12,690,037.80 and 4,208,497.20 is: 6,312,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460,025.20 : 12,690,037.80 = 4,208,497.20 : x
  2. Step 2: Convert to fraction form
    8,460,025.20/12,690,037.80 = 4,208,497.20/x
  3. Step 3: Cross multiply
    8,460,025.20x = 12,690,037.80 × 4,208,497.20
  4. Step 4: Simplify right side
    8,460,025.20x = 53,405,988,549,194.16
  5. Step 5: Solve for x
    x = 53,405,988,549,194.16/8,460,025.20
  6. Step 6: Final answer
    x = 6,312,745.80

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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.