Home / 10,940,513.60-16,387,150.80-7,114,138.40

Finding the Fourth Proportional to 10,940,513.60, 16,387,150.80 and 7,114,138.40

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Solution

The fourth proportional to 10,940,513.60, 16,387,150.80 and 7,114,138.40 is: 10,655,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940,513.60 : 16,387,150.80 = 7,114,138.40 : x
  2. Step 2: Convert to fraction form
    10,940,513.60/16,387,150.80 = 7,114,138.40/x
  3. Step 3: Cross multiply
    10,940,513.60x = 16,387,150.80 × 7,114,138.40
  4. Step 4: Simplify right side
    10,940,513.60x = 116,580,458,772,870.73
  5. Step 5: Solve for x
    x = 116,580,458,772,870.73/10,940,513.60
  6. Step 6: Final answer
    x = 10,655,848.81

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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.