Home / 27,559,826.40-41,339,739.60-8,390,431.20

Finding the Fourth Proportional to 27,559,826.40, 41,339,739.60 and 8,390,431.20

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Solution

The fourth proportional to 27,559,826.40, 41,339,739.60 and 8,390,431.20 is: 12,585,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559,826.40 : 41,339,739.60 = 8,390,431.20 : x
  2. Step 2: Convert to fraction form
    27,559,826.40/41,339,739.60 = 8,390,431.20/x
  3. Step 3: Cross multiply
    27,559,826.40x = 41,339,739.60 × 8,390,431.20
  4. Step 4: Simplify right side
    27,559,826.40x = 346,858,240,939,715.50
  5. Step 5: Solve for x
    x = 346,858,240,939,715.50/27,559,826.40
  6. Step 6: Final answer
    x = 12,585,646.80

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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.