Home / 8,093,159.70-12,139,739.55-7,719,911.70

Finding the Fourth Proportional to 8,093,159.70, 12,139,739.55 and 7,719,911.70

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Solution

The fourth proportional to 8,093,159.70, 12,139,739.55 and 7,719,911.70 is: 11,579,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,159.70 : 12,139,739.55 = 7,719,911.70 : x
  2. Step 2: Convert to fraction form
    8,093,159.70/12,139,739.55 = 7,719,911.70/x
  3. Step 3: Cross multiply
    8,093,159.70x = 12,139,739.55 × 7,719,911.70
  4. Step 4: Simplify right side
    8,093,159.70x = 93,717,717,386,997.75
  5. Step 5: Solve for x
    x = 93,717,717,386,997.75/8,093,159.70
  6. Step 6: Final answer
    x = 11,579,867.55

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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.