Home / 15,170,487.18-20,937,320.37-8,556,433.29

Finding the Fourth Proportional to 15,170,487.18, 20,937,320.37 and 8,556,433.29

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Solution

The fourth proportional to 15,170,487.18, 20,937,320.37 and 8,556,433.29 is: 11,809,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,487.18 : 20,937,320.37 = 8,556,433.29 : x
  2. Step 2: Convert to fraction form
    15,170,487.18/20,937,320.37 = 8,556,433.29/x
  3. Step 3: Cross multiply
    15,170,487.18x = 20,937,320.37 × 8,556,433.29
  4. Step 4: Simplify right side
    15,170,487.18x = 179,148,785,017,263.09
  5. Step 5: Solve for x
    x = 179,148,785,017,263.09/15,170,487.18
  6. Step 6: Final answer
    x = 11,809,033.08

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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.