Home / 8,093,965.70-12,140,948.55-7,720,717.70

Finding the Fourth Proportional to 8,093,965.70, 12,140,948.55 and 7,720,717.70

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Solution

The fourth proportional to 8,093,965.70, 12,140,948.55 and 7,720,717.70 is: 11,581,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,965.70 : 12,140,948.55 = 7,720,717.70 : x
  2. Step 2: Convert to fraction form
    8,093,965.70/12,140,948.55 = 7,720,717.70/x
  3. Step 3: Cross multiply
    8,093,965.70x = 12,140,948.55 × 7,720,717.70
  4. Step 4: Simplify right side
    8,093,965.70x = 93,736,836,364,774.34
  5. Step 5: Solve for x
    x = 93,736,836,364,774.34/8,093,965.70
  6. Step 6: Final answer
    x = 11,581,076.55

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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.