Home / 20,721,322.60-31,081,983.90-16,186,359.40

Finding the Fourth Proportional to 20,721,322.60, 31,081,983.90 and 16,186,359.40

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Solution

The fourth proportional to 20,721,322.60, 31,081,983.90 and 16,186,359.40 is: 24,279,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,721,322.60 : 31,081,983.90 = 16,186,359.40 : x
  2. Step 2: Convert to fraction form
    20,721,322.60/31,081,983.90 = 16,186,359.40/x
  3. Step 3: Cross multiply
    20,721,322.60x = 31,081,983.90 × 16,186,359.40
  4. Step 4: Simplify right side
    20,721,322.60x = 503,104,162,270,413.62
  5. Step 5: Solve for x
    x = 503,104,162,270,413.62/20,721,322.60
  6. Step 6: Final answer
    x = 24,279,539.10

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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.