Home / 20,186,413.10-30,286,618.05-8,835,008.30

Finding the Fourth Proportional to 20,186,413.10, 30,286,618.05 and 8,835,008.30

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Solution

The fourth proportional to 20,186,413.10, 30,286,618.05 and 8,835,008.30 is: 13,255,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,413.10 : 30,286,618.05 = 8,835,008.30 : x
  2. Step 2: Convert to fraction form
    20,186,413.10/30,286,618.05 = 8,835,008.30/x
  3. Step 3: Cross multiply
    20,186,413.10x = 30,286,618.05 × 8,835,008.30
  4. Step 4: Simplify right side
    20,186,413.10x = 267,582,521,850,679.84
  5. Step 5: Solve for x
    x = 267,582,521,850,679.84/20,186,413.10
  6. Step 6: Final answer
    x = 13,255,575.45

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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.