Home / 15,170,485.29-20,937,317.78-8,556,431.40

Finding the Fourth Proportional to 15,170,485.29, 20,937,317.78 and 8,556,431.40

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Solution

The fourth proportional to 15,170,485.29, 20,937,317.78 and 8,556,431.40 is: 11,809,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,485.29 : 20,937,317.78 = 8,556,431.40 : x
  2. Step 2: Convert to fraction form
    15,170,485.29/20,937,317.78 = 8,556,431.40/x
  3. Step 3: Cross multiply
    15,170,485.29x = 20,937,317.78 × 8,556,431.40
  4. Step 4: Simplify right side
    15,170,485.29x = 179,148,723,241,788.12
  5. Step 5: Solve for x
    x = 179,148,723,241,788.12/15,170,485.29
  6. Step 6: Final answer
    x = 11,809,030.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.