Home / 21,977,416.56-32,970,842.28-7,405,775.76

Finding the Fourth Proportional to 21,977,416.56, 32,970,842.28 and 7,405,775.76

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Solution

The fourth proportional to 21,977,416.56, 32,970,842.28 and 7,405,775.76 is: 11,110,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977,416.56 : 32,970,842.28 = 7,405,775.76 : x
  2. Step 2: Convert to fraction form
    21,977,416.56/32,970,842.28 = 7,405,775.76/x
  3. Step 3: Cross multiply
    21,977,416.56x = 32,970,842.28 × 7,405,775.76
  4. Step 4: Simplify right side
    21,977,416.56x = 244,174,664,544,007.12
  5. Step 5: Solve for x
    x = 244,174,664,544,007.12/21,977,416.56
  6. Step 6: Final answer
    x = 11,110,253.29

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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.