Home / 10,940,505.60-16,387,138.80-7,114,130.40

Finding the Fourth Proportional to 10,940,505.60, 16,387,138.80 and 7,114,130.40

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Solution

The fourth proportional to 10,940,505.60, 16,387,138.80 and 7,114,130.40 is: 10,655,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940,505.60 : 16,387,138.80 = 7,114,130.40 : x
  2. Step 2: Convert to fraction form
    10,940,505.60/16,387,138.80 = 7,114,130.40/x
  3. Step 3: Cross multiply
    10,940,505.60x = 16,387,138.80 × 7,114,130.40
  4. Step 4: Simplify right side
    10,940,505.60x = 116,580,242,306,099.53
  5. Step 5: Solve for x
    x = 116,580,242,306,099.53/10,940,505.60
  6. Step 6: Final answer
    x = 10,655,836.81

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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.