Home / 20,602,350.23-30,880,017.03-8,298,438.51

Finding the Fourth Proportional to 20,602,350.23, 30,880,017.03 and 8,298,438.51

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Solution

The fourth proportional to 20,602,350.23, 30,880,017.03 and 8,298,438.51 is: 12,438,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,350.23 : 30,880,017.03 = 8,298,438.51 : x
  2. Step 2: Convert to fraction form
    20,602,350.23/30,880,017.03 = 8,298,438.51/x
  3. Step 3: Cross multiply
    20,602,350.23x = 30,880,017.03 × 8,298,438.51
  4. Step 4: Simplify right side
    20,602,350.23x = 256,255,922,511,207.84
  5. Step 5: Solve for x
    x = 256,255,922,511,207.84/20,602,350.23
  6. Step 6: Final answer
    x = 12,438,188.83

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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.