Home / 10,500,675.70-15,751,013.55-8,989,021.30

Finding the Fourth Proportional to 10,500,675.70, 15,751,013.55 and 8,989,021.30

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Solution

The fourth proportional to 10,500,675.70, 15,751,013.55 and 8,989,021.30 is: 13,483,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,675.70 : 15,751,013.55 = 8,989,021.30 : x
  2. Step 2: Convert to fraction form
    10,500,675.70/15,751,013.55 = 8,989,021.30/x
  3. Step 3: Cross multiply
    10,500,675.70x = 15,751,013.55 × 8,989,021.30
  4. Step 4: Simplify right side
    10,500,675.70x = 141,586,196,297,538.62
  5. Step 5: Solve for x
    x = 141,586,196,297,538.62/10,500,675.70
  6. Step 6: Final answer
    x = 13,483,531.95

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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.