Home / 30,438,606.96-42,002,946.36-17,384,063.76

Finding the Fourth Proportional to 30,438,606.96, 42,002,946.36 and 17,384,063.76

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Solution

The fourth proportional to 30,438,606.96, 42,002,946.36 and 17,384,063.76 is: 23,988,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,606.96 : 42,002,946.36 = 17,384,063.76 : x
  2. Step 2: Convert to fraction form
    30,438,606.96/42,002,946.36 = 17,384,063.76/x
  3. Step 3: Cross multiply
    30,438,606.96x = 42,002,946.36 × 17,384,063.76
  4. Step 4: Simplify right side
    30,438,606.96x = 730,181,897,630,100
  5. Step 5: Solve for x
    x = 730,181,897,630,100/30,438,606.96
  6. Step 6: Final answer
    x = 23,988,676.57

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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.