Home / 15,338,493.05-21,174,790.37-9,539,143.34

Finding the Fourth Proportional to 15,338,493.05, 21,174,790.37 and 9,539,143.34

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Solution

The fourth proportional to 15,338,493.05, 21,174,790.37 and 9,539,143.34 is: 13,168,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,493.05 : 21,174,790.37 = 9,539,143.34 : x
  2. Step 2: Convert to fraction form
    15,338,493.05/21,174,790.37 = 9,539,143.34/x
  3. Step 3: Cross multiply
    15,338,493.05x = 21,174,790.37 × 9,539,143.34
  4. Step 4: Simplify right side
    15,338,493.05x = 201,989,360,380,311.97
  5. Step 5: Solve for x
    x = 201,989,360,380,311.97/15,338,493.05
  6. Step 6: Final answer
    x = 13,168,787.82

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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.