Home / 13,567,885.56-18,723,798.81-7,372,931.04

Finding the Fourth Proportional to 13,567,885.56, 18,723,798.81 and 7,372,931.04

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Solution

The fourth proportional to 13,567,885.56, 18,723,798.81 and 7,372,931.04 is: 10,174,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,885.56 : 18,723,798.81 = 7,372,931.04 : x
  2. Step 2: Convert to fraction form
    13,567,885.56/18,723,798.81 = 7,372,931.04/x
  3. Step 3: Cross multiply
    13,567,885.56x = 18,723,798.81 × 7,372,931.04
  4. Step 4: Simplify right side
    13,567,885.56x = 138,049,277,432,964.05
  5. Step 5: Solve for x
    x = 138,049,277,432,964.05/13,567,885.56
  6. Step 6: Final answer
    x = 10,174,708.27

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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.