Home / 21,347,186.58-29,458,765.81-11,557,552.50

Finding the Fourth Proportional to 21,347,186.58, 29,458,765.81 and 11,557,552.50

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Solution

The fourth proportional to 21,347,186.58, 29,458,765.81 and 11,557,552.50 is: 15,949,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,186.58 : 29,458,765.81 = 11,557,552.50 : x
  2. Step 2: Convert to fraction form
    21,347,186.58/29,458,765.81 = 11,557,552.50/x
  3. Step 3: Cross multiply
    21,347,186.58x = 29,458,765.81 × 11,557,552.50
  4. Step 4: Simplify right side
    21,347,186.58x = 340,471,232,434,280
  5. Step 5: Solve for x
    x = 340,471,232,434,280/21,347,186.58
  6. Step 6: Final answer
    x = 15,949,232.05

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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.