Home / 12,225,263.67-16,870,944.74-7,644,266.55

Finding the Fourth Proportional to 12,225,263.67, 16,870,944.74 and 7,644,266.55

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Solution

The fourth proportional to 12,225,263.67, 16,870,944.74 and 7,644,266.55 is: 10,549,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,263.67 : 16,870,944.74 = 7,644,266.55 : x
  2. Step 2: Convert to fraction form
    12,225,263.67/16,870,944.74 = 7,644,266.55/x
  3. Step 3: Cross multiply
    12,225,263.67x = 16,870,944.74 × 7,644,266.55
  4. Step 4: Simplify right side
    12,225,263.67x = 128,965,998,504,659.11
  5. Step 5: Solve for x
    x = 128,965,998,504,659.11/12,225,263.67
  6. Step 6: Final answer
    x = 10,549,138.41

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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.