Home / 30,672,300.48-42,327,772.09-16,921,264.60

Finding the Fourth Proportional to 30,672,300.48, 42,327,772.09 and 16,921,264.60

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Solution

The fourth proportional to 30,672,300.48, 42,327,772.09 and 16,921,264.60 is: 23,351,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672,300.48 : 42,327,772.09 = 16,921,264.60 : x
  2. Step 2: Convert to fraction form
    30,672,300.48/42,327,772.09 = 16,921,264.60/x
  3. Step 3: Cross multiply
    30,672,300.48x = 42,327,772.09 × 16,921,264.60
  4. Step 4: Simplify right side
    30,672,300.48x = 716,239,431,473,991.50
  5. Step 5: Solve for x
    x = 716,239,431,473,991.50/30,672,300.48
  6. Step 6: Final answer
    x = 23,351,343.73

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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.