Home / 13,261,999.60-19,892,933.76-11,459,397.68

Finding the Fourth Proportional to 13,261,999.60, 19,892,933.76 and 11,459,397.68

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Solution

The fourth proportional to 13,261,999.60, 19,892,933.76 and 11,459,397.68 is: 17,189,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,999.60 : 19,892,933.76 = 11,459,397.68 : x
  2. Step 2: Convert to fraction form
    13,261,999.60/19,892,933.76 = 11,459,397.68/x
  3. Step 3: Cross multiply
    13,261,999.60x = 19,892,933.76 × 11,459,397.68
  4. Step 4: Simplify right side
    13,261,999.60x = 227,961,038,977,737.69
  5. Step 5: Solve for x
    x = 227,961,038,977,737.69/13,261,999.60
  6. Step 6: Final answer
    x = 17,189,039.80

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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.