Home / 7,259,657.90-10,889,413.03-1,868,287.37

Finding the Fourth Proportional to 7,259,657.90, 10,889,413.03 and 1,868,287.37

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Solution

The fourth proportional to 7,259,657.90, 10,889,413.03 and 1,868,287.37 is: 2,802,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,657.90 : 10,889,413.03 = 1,868,287.37 : x
  2. Step 2: Convert to fraction form
    7,259,657.90/10,889,413.03 = 1,868,287.37/x
  3. Step 3: Cross multiply
    7,259,657.90x = 10,889,413.03 × 1,868,287.37
  4. Step 4: Simplify right side
    7,259,657.90x = 20,344,552,776,215.36
  5. Step 5: Solve for x
    x = 20,344,552,776,215.36/7,259,657.90
  6. Step 6: Final answer
    x = 2,802,412.05

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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.