Home / 20,508,004.60-30,762,006.90-17,173,655.80

Finding the Fourth Proportional to 20,508,004.60, 30,762,006.90 and 17,173,655.80

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Solution

The fourth proportional to 20,508,004.60, 30,762,006.90 and 17,173,655.80 is: 25,760,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,004.60 : 30,762,006.90 = 17,173,655.80 : x
  2. Step 2: Convert to fraction form
    20,508,004.60/30,762,006.90 = 17,173,655.80/x
  3. Step 3: Cross multiply
    20,508,004.60x = 30,762,006.90 × 17,173,655.80
  4. Step 4: Simplify right side
    20,508,004.60x = 528,296,118,217,825
  5. Step 5: Solve for x
    x = 528,296,118,217,825/20,508,004.60
  6. Step 6: Final answer
    x = 25,760,483.70

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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.