Home / 11,311,899-15,610,289.40-6,155,171.72

Finding the Fourth Proportional to 11,311,899, 15,610,289.40 and 6,155,171.72

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Solution

The fourth proportional to 11,311,899, 15,610,289.40 and 6,155,171.72 is: 8,494,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311,899 : 15,610,289.40 = 6,155,171.72 : x
  2. Step 2: Convert to fraction form
    11,311,899/15,610,289.40 = 6,155,171.72/x
  3. Step 3: Cross multiply
    11,311,899x = 15,610,289.40 × 6,155,171.72
  4. Step 4: Simplify right side
    11,311,899x = 96,084,011,855,895.77
  5. Step 5: Solve for x
    x = 96,084,011,855,895.77/11,311,899
  6. Step 6: Final answer
    x = 8,494,065.57

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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.