Home / 18,792,117.90-28,188,176.85-11,580,266.70

Finding the Fourth Proportional to 18,792,117.90, 28,188,176.85 and 11,580,266.70

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Solution

The fourth proportional to 18,792,117.90, 28,188,176.85 and 11,580,266.70 is: 17,370,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,117.90 : 28,188,176.85 = 11,580,266.70 : x
  2. Step 2: Convert to fraction form
    18,792,117.90/28,188,176.85 = 11,580,266.70/x
  3. Step 3: Cross multiply
    18,792,117.90x = 28,188,176.85 × 11,580,266.70
  4. Step 4: Simplify right side
    18,792,117.90x = 326,426,605,709,765.88
  5. Step 5: Solve for x
    x = 326,426,605,709,765.88/18,792,117.90
  6. Step 6: Final answer
    x = 17,370,400.05

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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.