Home / 18,792,140.10-28,188,210.15-17,821,695.30

Finding the Fourth Proportional to 18,792,140.10, 28,188,210.15 and 17,821,695.30

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Solution

The fourth proportional to 18,792,140.10, 28,188,210.15 and 17,821,695.30 is: 26,732,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,140.10 : 28,188,210.15 = 17,821,695.30 : x
  2. Step 2: Convert to fraction form
    18,792,140.10/28,188,210.15 = 17,821,695.30/x
  3. Step 3: Cross multiply
    18,792,140.10x = 28,188,210.15 × 17,821,695.30
  4. Step 4: Simplify right side
    18,792,140.10x = 502,361,692,345,667.31
  5. Step 5: Solve for x
    x = 502,361,692,345,667.31/18,792,140.10
  6. Step 6: Final answer
    x = 26,732,542.95

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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.