Home / 30,670,400.52-42,324,471.54-16,919,361

Finding the Fourth Proportional to 30,670,400.52, 42,324,471.54 and 16,919,361

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Solution

The fourth proportional to 30,670,400.52, 42,324,471.54 and 16,919,361 is: 23,348,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670,400.52 : 42,324,471.54 = 16,919,361 : x
  2. Step 2: Convert to fraction form
    30,670,400.52/42,324,471.54 = 16,919,361/x
  3. Step 3: Cross multiply
    30,670,400.52x = 42,324,471.54 × 16,919,361
  4. Step 4: Simplify right side
    30,670,400.52x = 716,103,013,119,485.88
  5. Step 5: Solve for x
    x = 716,103,013,119,485.88/30,670,400.52
  6. Step 6: Final answer
    x = 23,348,342.41

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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.