Home / 20,117,402.73-30,180,603.51-7,337,907.42

Finding the Fourth Proportional to 20,117,402.73, 30,180,603.51 and 7,337,907.42

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Solution

The fourth proportional to 20,117,402.73, 30,180,603.51 and 7,337,907.42 is: 11,008,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,402.73 : 30,180,603.51 = 7,337,907.42 : x
  2. Step 2: Convert to fraction form
    20,117,402.73/30,180,603.51 = 7,337,907.42/x
  3. Step 3: Cross multiply
    20,117,402.73x = 30,180,603.51 × 7,337,907.42
  4. Step 4: Simplify right side
    20,117,402.73x = 221,462,474,322,929.78
  5. Step 5: Solve for x
    x = 221,462,474,322,929.78/20,117,402.73
  6. Step 6: Final answer
    x = 11,008,502.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.