Home / 21,638,632.79-32,429,687.66-16,502,255.52

Finding the Fourth Proportional to 21,638,632.79, 32,429,687.66 and 16,502,255.52

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Solution

The fourth proportional to 21,638,632.79, 32,429,687.66 and 16,502,255.52 is: 24,731,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,632.79 : 32,429,687.66 = 16,502,255.52 : x
  2. Step 2: Convert to fraction form
    21,638,632.79/32,429,687.66 = 16,502,255.52/x
  3. Step 3: Cross multiply
    21,638,632.79x = 32,429,687.66 × 16,502,255.52
  4. Step 4: Simplify right side
    21,638,632.79x = 535,162,992,199,110.88
  5. Step 5: Solve for x
    x = 535,162,992,199,110.88/21,638,632.79
  6. Step 6: Final answer
    x = 24,731,830.21

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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.