Home / 30,541,615.38-42,147,703.22-16,602,996.87

Finding the Fourth Proportional to 30,541,615.38, 42,147,703.22 and 16,602,996.87

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Solution

The fourth proportional to 30,541,615.38, 42,147,703.22 and 16,602,996.87 is: 22,912,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541,615.38 : 42,147,703.22 = 16,602,996.87 : x
  2. Step 2: Convert to fraction form
    30,541,615.38/42,147,703.22 = 16,602,996.87/x
  3. Step 3: Cross multiply
    30,541,615.38x = 42,147,703.22 × 16,602,996.87
  4. Step 4: Simplify right side
    30,541,615.38x = 699,778,184,556,334
  5. Step 5: Solve for x
    x = 699,778,184,556,334/30,541,615.38
  6. Step 6: Final answer
    x = 22,912,284.63

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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.