Home / 25,374,969-35,017,495.70-13,772,536.72

Finding the Fourth Proportional to 25,374,969, 35,017,495.70 and 13,772,536.72

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Solution

The fourth proportional to 25,374,969, 35,017,495.70 and 13,772,536.72 is: 19,006,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374,969 : 35,017,495.70 = 13,772,536.72 : x
  2. Step 2: Convert to fraction form
    25,374,969/35,017,495.70 = 13,772,536.72/x
  3. Step 3: Cross multiply
    25,374,969x = 35,017,495.70 × 13,772,536.72
  4. Step 4: Simplify right side
    25,374,969x = 482,279,745,370,692.19
  5. Step 5: Solve for x
    x = 482,279,745,370,692.19/25,374,969
  6. Step 6: Final answer
    x = 19,006,121.56

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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.