Home / 21,574,246.40-32,373,811.20-8,120,729.60

Finding the Fourth Proportional to 21,574,246.40, 32,373,811.20 and 8,120,729.60

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Solution

The fourth proportional to 21,574,246.40, 32,373,811.20 and 8,120,729.60 is: 12,185,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,246.40 : 32,373,811.20 = 8,120,729.60 : x
  2. Step 2: Convert to fraction form
    21,574,246.40/32,373,811.20 = 8,120,729.60/x
  3. Step 3: Cross multiply
    21,574,246.40x = 32,373,811.20 × 8,120,729.60
  4. Step 4: Simplify right side
    21,574,246.40x = 262,898,966,876,651.50
  5. Step 5: Solve for x
    x = 262,898,966,876,651.50/21,574,246.40
  6. Step 6: Final answer
    x = 12,185,777.52

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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.