Home / 20,702,990.05-31,060,246.20-9,032,382.67

Finding the Fourth Proportional to 20,702,990.05, 31,060,246.20 and 9,032,382.67

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Solution

The fourth proportional to 20,702,990.05, 31,060,246.20 and 9,032,382.67 is: 13,551,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,990.05 : 31,060,246.20 = 9,032,382.67 : x
  2. Step 2: Convert to fraction form
    20,702,990.05/31,060,246.20 = 9,032,382.67/x
  3. Step 3: Cross multiply
    20,702,990.05x = 31,060,246.20 × 9,032,382.67
  4. Step 4: Simplify right side
    20,702,990.05x = 280,548,029,502,813.34
  5. Step 5: Solve for x
    x = 280,548,029,502,813.34/20,702,990.05
  6. Step 6: Final answer
    x = 13,551,087.49

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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.