Home / 10,187,999.20-15,281,561.40-3,456,413.20

Finding the Fourth Proportional to 10,187,999.20, 15,281,561.40 and 3,456,413.20

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Solution

The fourth proportional to 10,187,999.20, 15,281,561.40 and 3,456,413.20 is: 5,184,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187,999.20 : 15,281,561.40 = 3,456,413.20 : x
  2. Step 2: Convert to fraction form
    10,187,999.20/15,281,561.40 = 3,456,413.20/x
  3. Step 3: Cross multiply
    10,187,999.20x = 15,281,561.40 × 3,456,413.20
  4. Step 4: Simplify right side
    10,187,999.20x = 52,819,390,539,570.48
  5. Step 5: Solve for x
    x = 52,819,390,539,570.48/10,187,999.20
  6. Step 6: Final answer
    x = 5,184,471.41

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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.