Home / 28,185,140.34-42,262,324.97-8,486,393.94

Finding the Fourth Proportional to 28,185,140.34, 42,262,324.97 and 8,486,393.94

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Solution

The fourth proportional to 28,185,140.34, 42,262,324.97 and 8,486,393.94 is: 12,724,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185,140.34 : 42,262,324.97 = 8,486,393.94 : x
  2. Step 2: Convert to fraction form
    28,185,140.34/42,262,324.97 = 8,486,393.94/x
  3. Step 3: Cross multiply
    28,185,140.34x = 42,262,324.97 × 8,486,393.94
  4. Step 4: Simplify right side
    28,185,140.34x = 358,654,738,473,286.75
  5. Step 5: Solve for x
    x = 358,654,738,473,286.75/28,185,140.34
  6. Step 6: Final answer
    x = 12,724,958.41

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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.