Home / 13,118,301.23-18,109,060.64-8,474,350.58

Finding the Fourth Proportional to 13,118,301.23, 18,109,060.64 and 8,474,350.58

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Solution

The fourth proportional to 13,118,301.23, 18,109,060.64 and 8,474,350.58 is: 11,698,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,301.23 : 18,109,060.64 = 8,474,350.58 : x
  2. Step 2: Convert to fraction form
    13,118,301.23/18,109,060.64 = 8,474,350.58/x
  3. Step 3: Cross multiply
    13,118,301.23x = 18,109,060.64 × 8,474,350.58
  4. Step 4: Simplify right side
    13,118,301.23x = 153,462,528,404,922.12
  5. Step 5: Solve for x
    x = 153,462,528,404,922.12/13,118,301.23
  6. Step 6: Final answer
    x = 11,698,353.76

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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.