Home / 19,164,616.80-28,736,427.60-7,792,216.80

Finding the Fourth Proportional to 19,164,616.80, 28,736,427.60 and 7,792,216.80

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Solution

The fourth proportional to 19,164,616.80, 28,736,427.60 and 7,792,216.80 is: 11,684,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,616.80 : 28,736,427.60 = 7,792,216.80 : x
  2. Step 2: Convert to fraction form
    19,164,616.80/28,736,427.60 = 7,792,216.80/x
  3. Step 3: Cross multiply
    19,164,616.80x = 28,736,427.60 × 7,792,216.80
  4. Step 4: Simplify right side
    19,164,616.80x = 223,920,473,916,703.69
  5. Step 5: Solve for x
    x = 223,920,473,916,703.69/19,164,616.80
  6. Step 6: Final answer
    x = 11,684,056.94

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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.