Home / 21,804,712.80-32,707,069.20-21,655,413.60

Finding the Fourth Proportional to 21,804,712.80, 32,707,069.20 and 21,655,413.60

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Solution

The fourth proportional to 21,804,712.80, 32,707,069.20 and 21,655,413.60 is: 32,483,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,712.80 : 32,707,069.20 = 21,655,413.60 : x
  2. Step 2: Convert to fraction form
    21,804,712.80/32,707,069.20 = 21,655,413.60/x
  3. Step 3: Cross multiply
    21,804,712.80x = 32,707,069.20 × 21,655,413.60
  4. Step 4: Simplify right side
    21,804,712.80x = 708,285,111,169,821.12
  5. Step 5: Solve for x
    x = 708,285,111,169,821.12/21,804,712.80
  6. Step 6: Final answer
    x = 32,483,120.40

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1.5x scale

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.