Home / 12,338,493.12-17,026,944.48-6,831,339.84

Finding the Fourth Proportional to 12,338,493.12, 17,026,944.48 and 6,831,339.84

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Solution

The fourth proportional to 12,338,493.12, 17,026,944.48 and 6,831,339.84 is: 9,427,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,493.12 : 17,026,944.48 = 6,831,339.84 : x
  2. Step 2: Convert to fraction form
    12,338,493.12/17,026,944.48 = 6,831,339.84/x
  3. Step 3: Cross multiply
    12,338,493.12x = 17,026,944.48 × 6,831,339.84
  4. Step 4: Simplify right side
    12,338,493.12x = 116,316,844,179,692.08
  5. Step 5: Solve for x
    x = 116,316,844,179,692.08/12,338,493.12
  6. Step 6: Final answer
    x = 9,427,151.52

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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.