Home / 7,848,020.40-11,772,030.60-4,021,645.20

Finding the Fourth Proportional to 7,848,020.40, 11,772,030.60 and 4,021,645.20

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Solution

The fourth proportional to 7,848,020.40, 11,772,030.60 and 4,021,645.20 is: 6,032,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848,020.40 : 11,772,030.60 = 4,021,645.20 : x
  2. Step 2: Convert to fraction form
    7,848,020.40/11,772,030.60 = 4,021,645.20/x
  3. Step 3: Cross multiply
    7,848,020.40x = 11,772,030.60 × 4,021,645.20
  4. Step 4: Simplify right side
    7,848,020.40x = 47,342,930,356,743.12
  5. Step 5: Solve for x
    x = 47,342,930,356,743.12/7,848,020.40
  6. Step 6: Final answer
    x = 6,032,467.80

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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.