Home / 15,060,598.40-20,783,786.88-8,185,080.80

Finding the Fourth Proportional to 15,060,598.40, 20,783,786.88 and 8,185,080.80

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Solution

The fourth proportional to 15,060,598.40, 20,783,786.88 and 8,185,080.80 is: 11,295,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060,598.40 : 20,783,786.88 = 8,185,080.80 : x
  2. Step 2: Convert to fraction form
    15,060,598.40/20,783,786.88 = 8,185,080.80/x
  3. Step 3: Cross multiply
    15,060,598.40x = 20,783,786.88 × 8,185,080.80
  4. Step 4: Simplify right side
    15,060,598.40x = 170,116,974,942,779.91
  5. Step 5: Solve for x
    x = 170,116,974,942,779.91/15,060,598.40
  6. Step 6: Final answer
    x = 11,295,499.05

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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.