Home / 11,985,829.53-16,529,414.01-7,854,360.14

Finding the Fourth Proportional to 11,985,829.53, 16,529,414.01 and 7,854,360.14

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Solution

The fourth proportional to 11,985,829.53, 16,529,414.01 and 7,854,360.14 is: 10,831,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,829.53 : 16,529,414.01 = 7,854,360.14 : x
  2. Step 2: Convert to fraction form
    11,985,829.53/16,529,414.01 = 7,854,360.14/x
  3. Step 3: Cross multiply
    11,985,829.53x = 16,529,414.01 × 7,854,360.14
  4. Step 4: Simplify right side
    11,985,829.53x = 129,827,970,455,054.48
  5. Step 5: Solve for x
    x = 129,827,970,455,054.48/11,985,829.53
  6. Step 6: Final answer
    x = 10,831,788.50

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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.