Home / 21,856,021.20-32,784,031.80-17,604,493.20

Finding the Fourth Proportional to 21,856,021.20, 32,784,031.80 and 17,604,493.20

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Solution

The fourth proportional to 21,856,021.20, 32,784,031.80 and 17,604,493.20 is: 26,406,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,021.20 : 32,784,031.80 = 17,604,493.20 : x
  2. Step 2: Convert to fraction form
    21,856,021.20/32,784,031.80 = 17,604,493.20/x
  3. Step 3: Cross multiply
    21,856,021.20x = 32,784,031.80 × 17,604,493.20
  4. Step 4: Simplify right side
    21,856,021.20x = 577,146,264,891,683.75
  5. Step 5: Solve for x
    x = 577,146,264,891,683.75/21,856,021.20
  6. Step 6: Final answer
    x = 26,406,739.80

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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.