Home / 21,353,715.75-32,081,672.77-13,692,370.90

Finding the Fourth Proportional to 21,353,715.75, 32,081,672.77 and 13,692,370.90

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Solution

The fourth proportional to 21,353,715.75, 32,081,672.77 and 13,692,370.90 is: 20,571,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,715.75 : 32,081,672.77 = 13,692,370.90 : x
  2. Step 2: Convert to fraction form
    21,353,715.75/32,081,672.77 = 13,692,370.90/x
  3. Step 3: Cross multiply
    21,353,715.75x = 32,081,672.77 × 13,692,370.90
  4. Step 4: Simplify right side
    21,353,715.75x = 439,274,162,514,742.69
  5. Step 5: Solve for x
    x = 439,274,162,514,742.69/21,353,715.75
  6. Step 6: Final answer
    x = 20,571,322.00

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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.