Home / 21,930,379.68-30,267,091.14-12,636,170.34

Finding the Fourth Proportional to 21,930,379.68, 30,267,091.14 and 12,636,170.34

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Solution

The fourth proportional to 21,930,379.68, 30,267,091.14 and 12,636,170.34 is: 17,439,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930,379.68 : 30,267,091.14 = 12,636,170.34 : x
  2. Step 2: Convert to fraction form
    21,930,379.68/30,267,091.14 = 12,636,170.34/x
  3. Step 3: Cross multiply
    21,930,379.68x = 30,267,091.14 × 12,636,170.34
  4. Step 4: Simplify right side
    21,930,379.68x = 382,460,119,341,344.81
  5. Step 5: Solve for x
    x = 382,460,119,341,344.81/21,930,379.68
  6. Step 6: Final answer
    x = 17,439,739.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.