Home / 12,601,385.60-18,889,636.80-6,206,403.20

Finding the Fourth Proportional to 12,601,385.60, 18,889,636.80 and 6,206,403.20

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Solution

The fourth proportional to 12,601,385.60, 18,889,636.80 and 6,206,403.20 is: 9,303,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,385.60 : 18,889,636.80 = 6,206,403.20 : x
  2. Step 2: Convert to fraction form
    12,601,385.60/18,889,636.80 = 6,206,403.20/x
  3. Step 3: Cross multiply
    12,601,385.60x = 18,889,636.80 × 6,206,403.20
  4. Step 4: Simplify right side
    12,601,385.60x = 117,236,702,282,357.77
  5. Step 5: Solve for x
    x = 117,236,702,282,357.77/12,601,385.60
  6. Step 6: Final answer
    x = 9,303,477.09

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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.