Home / 21,199,269.56-31,798,226.09-8,909,743.82

Finding the Fourth Proportional to 21,199,269.56, 31,798,226.09 and 8,909,743.82

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Solution

The fourth proportional to 21,199,269.56, 31,798,226.09 and 8,909,743.82 is: 13,364,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199,269.56 : 31,798,226.09 = 8,909,743.82 : x
  2. Step 2: Convert to fraction form
    21,199,269.56/31,798,226.09 = 8,909,743.82/x
  3. Step 3: Cross multiply
    21,199,269.56x = 31,798,226.09 × 8,909,743.82
  4. Step 4: Simplify right side
    21,199,269.56x = 283,314,048,255,623.50
  5. Step 5: Solve for x
    x = 283,314,048,255,623.50/21,199,269.56
  6. Step 6: Final answer
    x = 13,364,330.67

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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.