Home / 28,515,338.64-42,755,925.84-9,076,167.36

Finding the Fourth Proportional to 28,515,338.64, 42,755,925.84 and 9,076,167.36

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Solution

The fourth proportional to 28,515,338.64, 42,755,925.84 and 9,076,167.36 is: 13,608,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,338.64 : 42,755,925.84 = 9,076,167.36 : x
  2. Step 2: Convert to fraction form
    28,515,338.64/42,755,925.84 = 9,076,167.36/x
  3. Step 3: Cross multiply
    28,515,338.64x = 42,755,925.84 × 9,076,167.36
  4. Step 4: Simplify right side
    28,515,338.64x = 388,059,938,555,588.56
  5. Step 5: Solve for x
    x = 388,059,938,555,588.56/28,515,338.64
  6. Step 6: Final answer
    x = 13,608,813.96

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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.