Home / 7,338,833.40-10,972,820.70-5,425,645.80

Finding the Fourth Proportional to 7,338,833.40, 10,972,820.70 and 5,425,645.80

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Solution

The fourth proportional to 7,338,833.40, 10,972,820.70 and 5,425,645.80 is: 8,112,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,833.40 : 10,972,820.70 = 5,425,645.80 : x
  2. Step 2: Convert to fraction form
    7,338,833.40/10,972,820.70 = 5,425,645.80/x
  3. Step 3: Cross multiply
    7,338,833.40x = 10,972,820.70 × 5,425,645.80
  4. Step 4: Simplify right side
    7,338,833.40x = 59,534,638,545,108.05
  5. Step 5: Solve for x
    x = 59,534,638,545,108.05/7,338,833.40
  6. Step 6: Final answer
    x = 8,112,275.52

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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.