Home / 30,930,170.26-42,683,663.04-16,992,427.72

Finding the Fourth Proportional to 30,930,170.26, 42,683,663.04 and 16,992,427.72

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Solution

The fourth proportional to 30,930,170.26, 42,683,663.04 and 16,992,427.72 is: 23,449,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930,170.26 : 42,683,663.04 = 16,992,427.72 : x
  2. Step 2: Convert to fraction form
    30,930,170.26/42,683,663.04 = 16,992,427.72/x
  3. Step 3: Cross multiply
    30,930,170.26x = 42,683,663.04 × 16,992,427.72
  4. Step 4: Simplify right side
    30,930,170.26x = 725,299,059,032,035.38
  5. Step 5: Solve for x
    x = 725,299,059,032,035.38/30,930,170.26
  6. Step 6: Final answer
    x = 23,449,565.68

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1.5x scale

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.