Home / 10,595,645.80-15,858,039.30-7,406,999.80

Finding the Fourth Proportional to 10,595,645.80, 15,858,039.30 and 7,406,999.80

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Solution

The fourth proportional to 10,595,645.80, 15,858,039.30 and 7,406,999.80 is: 11,085,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595,645.80 : 15,858,039.30 = 7,406,999.80 : x
  2. Step 2: Convert to fraction form
    10,595,645.80/15,858,039.30 = 7,406,999.80/x
  3. Step 3: Cross multiply
    10,595,645.80x = 15,858,039.30 × 7,406,999.80
  4. Step 4: Simplify right side
    10,595,645.80x = 117,460,493,923,492.14
  5. Step 5: Solve for x
    x = 117,460,493,923,492.14/10,595,645.80
  6. Step 6: Final answer
    x = 11,085,732.40

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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.