Home / 13,115,217.60-19,672,826.40-4,139,769.60

Finding the Fourth Proportional to 13,115,217.60, 19,672,826.40 and 4,139,769.60

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Solution

The fourth proportional to 13,115,217.60, 19,672,826.40 and 4,139,769.60 is: 6,209,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,217.60 : 19,672,826.40 = 4,139,769.60 : x
  2. Step 2: Convert to fraction form
    13,115,217.60/19,672,826.40 = 4,139,769.60/x
  3. Step 3: Cross multiply
    13,115,217.60x = 19,672,826.40 × 4,139,769.60
  4. Step 4: Simplify right side
    13,115,217.60x = 81,440,968,676,797.44
  5. Step 5: Solve for x
    x = 81,440,968,676,797.44/13,115,217.60
  6. Step 6: Final answer
    x = 6,209,654.40

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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.