Home / 39,229,068.12-54,136,609.80-21,590,000.94

Finding the Fourth Proportional to 39,229,068.12, 54,136,609.80 and 21,590,000.94

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Solution

The fourth proportional to 39,229,068.12, 54,136,609.80 and 21,590,000.94 is: 29,794,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,068.12 : 54,136,609.80 = 21,590,000.94 : x
  2. Step 2: Convert to fraction form
    39,229,068.12/54,136,609.80 = 21,590,000.94/x
  3. Step 3: Cross multiply
    39,229,068.12x = 54,136,609.80 × 21,590,000.94
  4. Step 4: Simplify right side
    39,229,068.12x = 1,168,809,456,470,413.25
  5. Step 5: Solve for x
    x = 1,168,809,456,470,413.25/39,229,068.12
  6. Step 6: Final answer
    x = 29,794,474.16

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1.5x scale

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.