Home / 14,021,683.20-21,040,819.20-5,045,068.80

Finding the Fourth Proportional to 14,021,683.20, 21,040,819.20 and 5,045,068.80

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Solution

The fourth proportional to 14,021,683.20, 21,040,819.20 and 5,045,068.80 is: 7,570,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,683.20 : 21,040,819.20 = 5,045,068.80 : x
  2. Step 2: Convert to fraction form
    14,021,683.20/21,040,819.20 = 5,045,068.80/x
  3. Step 3: Cross multiply
    14,021,683.20x = 21,040,819.20 × 5,045,068.80
  4. Step 4: Simplify right side
    14,021,683.20x = 106,152,380,472,360.95
  5. Step 5: Solve for x
    x = 106,152,380,472,360.95/14,021,683.20
  6. Step 6: Final answer
    x = 7,570,587.56

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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.