Home / 28,515,404.64-42,756,024.72-9,076,233.36

Finding the Fourth Proportional to 28,515,404.64, 42,756,024.72 and 9,076,233.36

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Solution

The fourth proportional to 28,515,404.64, 42,756,024.72 and 9,076,233.36 is: 13,608,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,404.64 : 42,756,024.72 = 9,076,233.36 : x
  2. Step 2: Convert to fraction form
    28,515,404.64/42,756,024.72 = 9,076,233.36/x
  3. Step 3: Cross multiply
    28,515,404.64x = 42,756,024.72 × 9,076,233.36
  4. Step 4: Simplify right side
    28,515,404.64x = 388,063,657,904,648.62
  5. Step 5: Solve for x
    x = 388,063,657,904,648.62/28,515,404.64
  6. Step 6: Final answer
    x = 13,608,912.89

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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.