Home / 13,118,904.70-19,682,043.45-6,387,538.30

Finding the Fourth Proportional to 13,118,904.70, 19,682,043.45 and 6,387,538.30

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Solution

The fourth proportional to 13,118,904.70, 19,682,043.45 and 6,387,538.30 is: 9,583,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,904.70 : 19,682,043.45 = 6,387,538.30 : x
  2. Step 2: Convert to fraction form
    13,118,904.70/19,682,043.45 = 6,387,538.30/x
  3. Step 3: Cross multiply
    13,118,904.70x = 19,682,043.45 × 6,387,538.30
  4. Step 4: Simplify right side
    13,118,904.70x = 125,719,806,359,139.12
  5. Step 5: Solve for x
    x = 125,719,806,359,139.12/13,118,904.70
  6. Step 6: Final answer
    x = 9,583,102.34

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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.