Home / 12,159,276.07-16,778,143.83-7,263,458.93

Finding the Fourth Proportional to 12,159,276.07, 16,778,143.83 and 7,263,458.93

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Solution

The fourth proportional to 12,159,276.07, 16,778,143.83 and 7,263,458.93 is: 10,022,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159,276.07 : 16,778,143.83 = 7,263,458.93 : x
  2. Step 2: Convert to fraction form
    12,159,276.07/16,778,143.83 = 7,263,458.93/x
  3. Step 3: Cross multiply
    12,159,276.07x = 16,778,143.83 × 7,263,458.93
  4. Step 4: Simplify right side
    12,159,276.07x = 121,867,358,659,171.53
  5. Step 5: Solve for x
    x = 121,867,358,659,171.53/12,159,276.07
  6. Step 6: Final answer
    x = 10,022,583.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.