Home / 20,139,609.20-30,209,413.80-6,676,437.20

Finding the Fourth Proportional to 20,139,609.20, 30,209,413.80 and 6,676,437.20

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Solution

The fourth proportional to 20,139,609.20, 30,209,413.80 and 6,676,437.20 is: 10,014,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,609.20 : 30,209,413.80 = 6,676,437.20 : x
  2. Step 2: Convert to fraction form
    20,139,609.20/30,209,413.80 = 6,676,437.20/x
  3. Step 3: Cross multiply
    20,139,609.20x = 30,209,413.80 × 6,676,437.20
  4. Step 4: Simplify right side
    20,139,609.20x = 201,691,254,084,513.38
  5. Step 5: Solve for x
    x = 201,691,254,084,513.38/20,139,609.20
  6. Step 6: Final answer
    x = 10,014,655.80

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1.5x scale

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.