Home / 8,093,153.70-12,139,730.55-7,719,905.70

Finding the Fourth Proportional to 8,093,153.70, 12,139,730.55 and 7,719,905.70

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Solution

The fourth proportional to 8,093,153.70, 12,139,730.55 and 7,719,905.70 is: 11,579,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,153.70 : 12,139,730.55 = 7,719,905.70 : x
  2. Step 2: Convert to fraction form
    8,093,153.70/12,139,730.55 = 7,719,905.70/x
  3. Step 3: Cross multiply
    8,093,153.70x = 12,139,730.55 × 7,719,905.70
  4. Step 4: Simplify right side
    8,093,153.70x = 93,717,575,069,409.14
  5. Step 5: Solve for x
    x = 93,717,575,069,409.14/8,093,153.70
  6. Step 6: Final answer
    x = 11,579,858.55

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Similar ratio
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1.5x scale

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.