Home / 11,503,873.78-15,881,098.30-7,154,361.50

Finding the Fourth Proportional to 11,503,873.78, 15,881,098.30 and 7,154,361.50

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Solution

The fourth proportional to 11,503,873.78, 15,881,098.30 and 7,154,361.50 is: 9,876,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503,873.78 : 15,881,098.30 = 7,154,361.50 : x
  2. Step 2: Convert to fraction form
    11,503,873.78/15,881,098.30 = 7,154,361.50/x
  3. Step 3: Cross multiply
    11,503,873.78x = 15,881,098.30 × 7,154,361.50
  4. Step 4: Simplify right side
    11,503,873.78x = 113,619,118,255,235.45
  5. Step 5: Solve for x
    x = 113,619,118,255,235.45/11,503,873.78
  6. Step 6: Final answer
    x = 9,876,596.39

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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.