Home / 13,922,780.10-19,213,138.83-7,727,465.67

Finding the Fourth Proportional to 13,922,780.10, 19,213,138.83 and 7,727,465.67

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Solution

The fourth proportional to 13,922,780.10, 19,213,138.83 and 7,727,465.67 is: 10,663,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,780.10 : 19,213,138.83 = 7,727,465.67 : x
  2. Step 2: Convert to fraction form
    13,922,780.10/19,213,138.83 = 7,727,465.67/x
  3. Step 3: Cross multiply
    13,922,780.10x = 19,213,138.83 × 7,727,465.67
  4. Step 4: Simplify right side
    13,922,780.10x = 148,468,870,721,768.94
  5. Step 5: Solve for x
    x = 148,468,870,721,768.94/13,922,780.10
  6. Step 6: Final answer
    x = 10,663,737.39

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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.