Home / 13,302,928.60-19,957,345.35-6,112,728.70

Finding the Fourth Proportional to 13,302,928.60, 19,957,345.35 and 6,112,728.70

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Solution

The fourth proportional to 13,302,928.60, 19,957,345.35 and 6,112,728.70 is: 9,170,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,928.60 : 19,957,345.35 = 6,112,728.70 : x
  2. Step 2: Convert to fraction form
    13,302,928.60/19,957,345.35 = 6,112,728.70/x
  3. Step 3: Cross multiply
    13,302,928.60x = 19,957,345.35 × 6,112,728.70
  4. Step 4: Simplify right side
    13,302,928.60x = 121,993,837,696,756.56
  5. Step 5: Solve for x
    x = 121,993,837,696,756.56/13,302,928.60
  6. Step 6: Final answer
    x = 9,170,449.71

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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.