Home / 30,614,648.36-42,248,217.04-16,863,612.48

Finding the Fourth Proportional to 30,614,648.36, 42,248,217.04 and 16,863,612.48

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Solution

The fourth proportional to 30,614,648.36, 42,248,217.04 and 16,863,612.48 is: 23,271,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,648.36 : 42,248,217.04 = 16,863,612.48 : x
  2. Step 2: Convert to fraction form
    30,614,648.36/42,248,217.04 = 16,863,612.48/x
  3. Step 3: Cross multiply
    30,614,648.36x = 42,248,217.04 × 16,863,612.48
  4. Step 4: Simplify right side
    30,614,648.36x = 712,457,560,133,492.62
  5. Step 5: Solve for x
    x = 712,457,560,133,492.62/30,614,648.36
  6. Step 6: Final answer
    x = 23,271,786.49

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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.