Home / 13,194,629.60-19,791,944.40-7,886,213.60

Finding the Fourth Proportional to 13,194,629.60, 19,791,944.40 and 7,886,213.60

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Solution

The fourth proportional to 13,194,629.60, 19,791,944.40 and 7,886,213.60 is: 11,829,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,629.60 : 19,791,944.40 = 7,886,213.60 : x
  2. Step 2: Convert to fraction form
    13,194,629.60/19,791,944.40 = 7,886,213.60/x
  3. Step 3: Cross multiply
    13,194,629.60x = 19,791,944.40 × 7,886,213.60
  4. Step 4: Simplify right side
    13,194,629.60x = 156,083,501,097,723.81
  5. Step 5: Solve for x
    x = 156,083,501,097,723.81/13,194,629.60
  6. Step 6: Final answer
    x = 11,829,320.40

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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.