Home / 18,792,054.90-28,188,082.35-11,580,203.70

Finding the Fourth Proportional to 18,792,054.90, 28,188,082.35 and 11,580,203.70

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Solution

The fourth proportional to 18,792,054.90, 28,188,082.35 and 11,580,203.70 is: 17,370,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,054.90 : 28,188,082.35 = 11,580,203.70 : x
  2. Step 2: Convert to fraction form
    18,792,054.90/28,188,082.35 = 11,580,203.70/x
  3. Step 3: Cross multiply
    18,792,054.90x = 28,188,082.35 × 11,580,203.70
  4. Step 4: Simplify right side
    18,792,054.90x = 326,423,735,525,374.69
  5. Step 5: Solve for x
    x = 326,423,735,525,374.69/18,792,054.90
  6. Step 6: Final answer
    x = 17,370,305.55

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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.