Home / 13,500,957.24-18,631,178.88-7,305,868.32

Finding the Fourth Proportional to 13,500,957.24, 18,631,178.88 and 7,305,868.32

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Solution

The fourth proportional to 13,500,957.24, 18,631,178.88 and 7,305,868.32 is: 10,082,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,957.24 : 18,631,178.88 = 7,305,868.32 : x
  2. Step 2: Convert to fraction form
    13,500,957.24/18,631,178.88 = 7,305,868.32/x
  3. Step 3: Cross multiply
    13,500,957.24x = 18,631,178.88 × 7,305,868.32
  4. Step 4: Simplify right side
    13,500,957.24x = 136,116,939,543,645.08
  5. Step 5: Solve for x
    x = 136,116,939,543,645.08/13,500,957.24
  6. Step 6: Final answer
    x = 10,082,021.38

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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.