Home / 31,938,769.80-44,075,455.02-18,187,736.76

Finding the Fourth Proportional to 31,938,769.80, 44,075,455.02 and 18,187,736.76

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Solution

The fourth proportional to 31,938,769.80, 44,075,455.02 and 18,187,736.76 is: 25,099,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,769.80 : 44,075,455.02 = 18,187,736.76 : x
  2. Step 2: Convert to fraction form
    31,938,769.80/44,075,455.02 = 18,187,736.76/x
  3. Step 3: Cross multiply
    31,938,769.80x = 44,075,455.02 × 18,187,736.76
  4. Step 4: Simplify right side
    31,938,769.80x = 801,632,773,480,980.62
  5. Step 5: Solve for x
    x = 801,632,773,480,980.62/31,938,769.80
  6. Step 6: Final answer
    x = 25,099,049.79

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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.