Home / 25,293,140.80-37,964,594.40-12,528,059.20

Finding the Fourth Proportional to 25,293,140.80, 37,964,594.40 and 12,528,059.20

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Solution

The fourth proportional to 25,293,140.80, 37,964,594.40 and 12,528,059.20 is: 18,804,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293,140.80 : 37,964,594.40 = 12,528,059.20 : x
  2. Step 2: Convert to fraction form
    25,293,140.80/37,964,594.40 = 12,528,059.20/x
  3. Step 3: Cross multiply
    25,293,140.80x = 37,964,594.40 × 12,528,059.20
  4. Step 4: Simplify right side
    25,293,140.80x = 475,622,686,147,188.44
  5. Step 5: Solve for x
    x = 475,622,686,147,188.44/25,293,140.80
  6. Step 6: Final answer
    x = 18,804,413.81

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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.