Home / 13,868,676.40-20,794,720.20-7,150,212.40

Finding the Fourth Proportional to 13,868,676.40, 20,794,720.20 and 7,150,212.40

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Solution

The fourth proportional to 13,868,676.40, 20,794,720.20 and 7,150,212.40 is: 10,721,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,676.40 : 20,794,720.20 = 7,150,212.40 : x
  2. Step 2: Convert to fraction form
    13,868,676.40/20,794,720.20 = 7,150,212.40/x
  3. Step 3: Cross multiply
    13,868,676.40x = 20,794,720.20 × 7,150,212.40
  4. Step 4: Simplify right side
    13,868,676.40x = 148,686,666,228,570.47
  5. Step 5: Solve for x
    x = 148,686,666,228,570.47/13,868,676.40
  6. Step 6: Final answer
    x = 10,721,042.29

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1.5x scale

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.