Home / 30,617,977.77-42,252,790.69-16,866,941.89

Finding the Fourth Proportional to 30,617,977.77, 42,252,790.69 and 16,866,941.89

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Solution

The fourth proportional to 30,617,977.77, 42,252,790.69 and 16,866,941.89 is: 23,276,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617,977.77 : 42,252,790.69 = 16,866,941.89 : x
  2. Step 2: Convert to fraction form
    30,617,977.77/42,252,790.69 = 16,866,941.89/x
  3. Step 3: Cross multiply
    30,617,977.77x = 42,252,790.69 × 16,866,941.89
  4. Step 4: Simplify right side
    30,617,977.77x = 712,675,365,258,563
  5. Step 5: Solve for x
    x = 712,675,365,258,563/30,617,977.77
  6. Step 6: Final answer
    x = 23,276,369.54

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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.