Home / 30,617,978.77-42,252,792.07-16,866,942.89

Finding the Fourth Proportional to 30,617,978.77, 42,252,792.07 and 16,866,942.89

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Solution

The fourth proportional to 30,617,978.77, 42,252,792.07 and 16,866,942.89 is: 23,276,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617,978.77 : 42,252,792.07 = 16,866,942.89 : x
  2. Step 2: Convert to fraction form
    30,617,978.77/42,252,792.07 = 16,866,942.89/x
  3. Step 3: Cross multiply
    30,617,978.77x = 42,252,792.07 × 16,866,942.89
  4. Step 4: Simplify right side
    30,617,978.77x = 712,675,430,787,734.88
  5. Step 5: Solve for x
    x = 712,675,430,787,734.88/30,617,978.77
  6. Step 6: Final answer
    x = 23,276,370.92

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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.