Home / 37,038,816.40-51,116,705.48-20,524,121.28

Finding the Fourth Proportional to 37,038,816.40, 51,116,705.48 and 20,524,121.28

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Solution

The fourth proportional to 37,038,816.40, 51,116,705.48 and 20,524,121.28 is: 28,325,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038,816.40 : 51,116,705.48 = 20,524,121.28 : x
  2. Step 2: Convert to fraction form
    37,038,816.40/51,116,705.48 = 20,524,121.28/x
  3. Step 3: Cross multiply
    37,038,816.40x = 51,116,705.48 × 20,524,121.28
  4. Step 4: Simplify right side
    37,038,816.40x = 1,049,125,462,705,560.62
  5. Step 5: Solve for x
    x = 1,049,125,462,705,560.62/37,038,816.40
  6. Step 6: Final answer
    x = 28,325,026.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.