Home / 21,519,045.63-32,259,457.11-8,385,422.64

Finding the Fourth Proportional to 21,519,045.63, 32,259,457.11 and 8,385,422.64

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Solution

The fourth proportional to 21,519,045.63, 32,259,457.11 and 8,385,422.64 is: 12,570,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,045.63 : 32,259,457.11 = 8,385,422.64 : x
  2. Step 2: Convert to fraction form
    21,519,045.63/32,259,457.11 = 8,385,422.64/x
  3. Step 3: Cross multiply
    21,519,045.63x = 32,259,457.11 × 8,385,422.64
  4. Step 4: Simplify right side
    21,519,045.63x = 270,509,182,004,302.97
  5. Step 5: Solve for x
    x = 270,509,182,004,302.97/21,519,045.63
  6. Step 6: Final answer
    x = 12,570,686.76

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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.