Home / 12,057,819.60-18,086,729.40-4,079,643.60

Finding the Fourth Proportional to 12,057,819.60, 18,086,729.40 and 4,079,643.60

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Solution

The fourth proportional to 12,057,819.60, 18,086,729.40 and 4,079,643.60 is: 6,119,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,819.60 : 18,086,729.40 = 4,079,643.60 : x
  2. Step 2: Convert to fraction form
    12,057,819.60/18,086,729.40 = 4,079,643.60/x
  3. Step 3: Cross multiply
    12,057,819.60x = 18,086,729.40 × 4,079,643.60
  4. Step 4: Simplify right side
    12,057,819.60x = 73,787,409,841,641.83
  5. Step 5: Solve for x
    x = 73,787,409,841,641.83/12,057,819.60
  6. Step 6: Final answer
    x = 6,119,465.40

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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.