Home / 28,224,784.80-42,351,174-11,185,080.48

Finding the Fourth Proportional to 28,224,784.80, 42,351,174 and 11,185,080.48

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Solution

The fourth proportional to 28,224,784.80, 42,351,174 and 11,185,080.48 is: 16,783,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224,784.80 : 42,351,174 = 11,185,080.48 : x
  2. Step 2: Convert to fraction form
    28,224,784.80/42,351,174 = 11,185,080.48/x
  3. Step 3: Cross multiply
    28,224,784.80x = 42,351,174 × 11,185,080.48
  4. Step 4: Simplify right side
    28,224,784.80x = 473,701,289,612,483.56
  5. Step 5: Solve for x
    x = 473,701,289,612,483.56/28,224,784.80
  6. Step 6: Final answer
    x = 16,783,167.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.