Home / 30,614,645.10-42,248,212.53-16,863,609.21

Finding the Fourth Proportional to 30,614,645.10, 42,248,212.53 and 16,863,609.21

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Solution

The fourth proportional to 30,614,645.10, 42,248,212.53 and 16,863,609.21 is: 23,271,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,645.10 : 42,248,212.53 = 16,863,609.21 : x
  2. Step 2: Convert to fraction form
    30,614,645.10/42,248,212.53 = 16,863,609.21/x
  3. Step 3: Cross multiply
    30,614,645.10x = 42,248,212.53 × 16,863,609.21
  4. Step 4: Simplify right side
    30,614,645.10x = 712,457,345,926,945.50
  5. Step 5: Solve for x
    x = 712,457,345,926,945.50/30,614,645.10
  6. Step 6: Final answer
    x = 23,271,781.97

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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.