Home / 28,515,048.07-42,755,490.71-9,075,877.29

Finding the Fourth Proportional to 28,515,048.07, 42,755,490.71 and 9,075,877.29

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Solution

The fourth proportional to 28,515,048.07, 42,755,490.71 and 9,075,877.29 is: 13,608,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,048.07 : 42,755,490.71 = 9,075,877.29 : x
  2. Step 2: Convert to fraction form
    28,515,048.07/42,755,490.71 = 9,075,877.29/x
  3. Step 3: Cross multiply
    28,515,048.07x = 42,755,490.71 × 9,075,877.29
  4. Step 4: Simplify right side
    28,515,048.07x = 388,043,587,112,315.56
  5. Step 5: Solve for x
    x = 388,043,587,112,315.56/28,515,048.07
  6. Step 6: Final answer
    x = 13,608,379.20

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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.