Home / 39,375,842.40-59,055,890.40-18,905,522.40

Finding the Fourth Proportional to 39,375,842.40, 59,055,890.40 and 18,905,522.40

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Solution

The fourth proportional to 39,375,842.40, 59,055,890.40 and 18,905,522.40 is: 28,354,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375,842.40 : 59,055,890.40 = 18,905,522.40 : x
  2. Step 2: Convert to fraction form
    39,375,842.40/59,055,890.40 = 18,905,522.40/x
  3. Step 3: Cross multiply
    39,375,842.40x = 59,055,890.40 × 18,905,522.40
  4. Step 4: Simplify right side
    39,375,842.40x = 1,116,482,458,809,144.88
  5. Step 5: Solve for x
    x = 1,116,482,458,809,144.88/39,375,842.40
  6. Step 6: Final answer
    x = 28,354,503.44

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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.