Home / 12,081,489.60-18,122,234.40-4,103,313.60

Finding the Fourth Proportional to 12,081,489.60, 18,122,234.40 and 4,103,313.60

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Solution

The fourth proportional to 12,081,489.60, 18,122,234.40 and 4,103,313.60 is: 6,154,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,489.60 : 18,122,234.40 = 4,103,313.60 : x
  2. Step 2: Convert to fraction form
    12,081,489.60/18,122,234.40 = 4,103,313.60/x
  3. Step 3: Cross multiply
    12,081,489.60x = 18,122,234.40 × 4,103,313.60
  4. Step 4: Simplify right side
    12,081,489.60x = 74,361,210,875,907.83
  5. Step 5: Solve for x
    x = 74,361,210,875,907.83/12,081,489.60
  6. Step 6: Final answer
    x = 6,154,970.40

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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.