Home / 10,512,039.40-15,738,567.90-10,217,127.40

Finding the Fourth Proportional to 10,512,039.40, 15,738,567.90 and 10,217,127.40

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Solution

The fourth proportional to 10,512,039.40, 15,738,567.90 and 10,217,127.40 is: 15,297,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,039.40 : 15,738,567.90 = 10,217,127.40 : x
  2. Step 2: Convert to fraction form
    10,512,039.40/15,738,567.90 = 10,217,127.40/x
  3. Step 3: Cross multiply
    10,512,039.40x = 15,738,567.90 × 10,217,127.40
  4. Step 4: Simplify right side
    10,512,039.40x = 160,802,953,327,850.47
  5. Step 5: Solve for x
    x = 160,802,953,327,850.47/10,512,039.40
  6. Step 6: Final answer
    x = 15,297,027.27

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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.