Home / 19,157,626.05-28,736,439.08-7,792,224.45

Finding the Fourth Proportional to 19,157,626.05, 28,736,439.08 and 7,792,224.45

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Solution

The fourth proportional to 19,157,626.05, 28,736,439.08 and 7,792,224.45 is: 11,688,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,626.05 : 28,736,439.08 = 7,792,224.45 : x
  2. Step 2: Convert to fraction form
    19,157,626.05/28,736,439.08 = 7,792,224.45/x
  3. Step 3: Cross multiply
    19,157,626.05x = 28,736,439.08 × 7,792,224.45
  4. Step 4: Simplify right side
    19,157,626.05x = 223,920,783,166,150.38
  5. Step 5: Solve for x
    x = 223,920,783,166,150.38/19,157,626.05
  6. Step 6: Final answer
    x = 11,688,336.68

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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.