Home / 14,292,020.20-21,438,030.30-8,245,402.60

Finding the Fourth Proportional to 14,292,020.20, 21,438,030.30 and 8,245,402.60

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Solution

The fourth proportional to 14,292,020.20, 21,438,030.30 and 8,245,402.60 is: 12,368,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,020.20 : 21,438,030.30 = 8,245,402.60 : x
  2. Step 2: Convert to fraction form
    14,292,020.20/21,438,030.30 = 8,245,402.60/x
  3. Step 3: Cross multiply
    14,292,020.20x = 21,438,030.30 × 8,245,402.60
  4. Step 4: Simplify right side
    14,292,020.20x = 176,765,190,774,498.78
  5. Step 5: Solve for x
    x = 176,765,190,774,498.78/14,292,020.20
  6. Step 6: Final answer
    x = 12,368,103.90

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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.