Home / 7,848,021.40-11,772,032.10-4,021,646.20

Finding the Fourth Proportional to 7,848,021.40, 11,772,032.10 and 4,021,646.20

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Solution

The fourth proportional to 7,848,021.40, 11,772,032.10 and 4,021,646.20 is: 6,032,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848,021.40 : 11,772,032.10 = 4,021,646.20 : x
  2. Step 2: Convert to fraction form
    7,848,021.40/11,772,032.10 = 4,021,646.20/x
  3. Step 3: Cross multiply
    7,848,021.40x = 11,772,032.10 × 4,021,646.20
  4. Step 4: Simplify right side
    7,848,021.40x = 47,342,948,161,243.02
  5. Step 5: Solve for x
    x = 47,342,948,161,243.02/7,848,021.40
  6. Step 6: Final answer
    x = 6,032,469.30

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1.5x scale

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.