Home / 15,010,210.13-20,714,163.80-8,134,692.21

Finding the Fourth Proportional to 15,010,210.13, 20,714,163.80 and 8,134,692.21

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Solution

The fourth proportional to 15,010,210.13, 20,714,163.80 and 8,134,692.21 is: 11,225,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010,210.13 : 20,714,163.80 = 8,134,692.21 : x
  2. Step 2: Convert to fraction form
    15,010,210.13/20,714,163.80 = 8,134,692.21/x
  3. Step 3: Cross multiply
    15,010,210.13x = 20,714,163.80 × 8,134,692.21
  4. Step 4: Simplify right side
    15,010,210.13x = 168,503,346,859,850.56
  5. Step 5: Solve for x
    x = 168,503,346,859,850.56/15,010,210.13
  6. Step 6: Final answer
    x = 11,225,915.26

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1.5x scale

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.