Home / 13,365,125.08-18,443,880.16-7,253,553.58

Finding the Fourth Proportional to 13,365,125.08, 18,443,880.16 and 7,253,553.58

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Solution

The fourth proportional to 13,365,125.08, 18,443,880.16 and 7,253,553.58 is: 10,009,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,125.08 : 18,443,880.16 = 7,253,553.58 : x
  2. Step 2: Convert to fraction form
    13,365,125.08/18,443,880.16 = 7,253,553.58/x
  3. Step 3: Cross multiply
    13,365,125.08x = 18,443,880.16 × 7,253,553.58
  4. Step 4: Simplify right side
    13,365,125.08x = 133,783,672,899,415.38
  5. Step 5: Solve for x
    x = 133,783,672,899,415.38/13,365,125.08
  6. Step 6: Final answer
    x = 10,009,908.03

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1.5x scale

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.