Home / 30,923,388.53-42,674,787.87-16,986,031.54

Finding the Fourth Proportional to 30,923,388.53, 42,674,787.87 and 16,986,031.54

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Solution

The fourth proportional to 30,923,388.53, 42,674,787.87 and 16,986,031.54 is: 23,441,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923,388.53 : 42,674,787.87 = 16,986,031.54 : x
  2. Step 2: Convert to fraction form
    30,923,388.53/42,674,787.87 = 16,986,031.54/x
  3. Step 3: Cross multiply
    30,923,388.53x = 42,674,787.87 × 16,986,031.54
  4. Step 4: Simplify right side
    30,923,388.53x = 724,875,292,424,325.38
  5. Step 5: Solve for x
    x = 724,875,292,424,325.38/30,923,388.53
  6. Step 6: Final answer
    x = 23,441,004.59

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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.