Home / 20,599,138.36-28,423,907.94-12,337,265.80

Finding the Fourth Proportional to 20,599,138.36, 28,423,907.94 and 12,337,265.80

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Solution

The fourth proportional to 20,599,138.36, 28,423,907.94 and 12,337,265.80 is: 17,023,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,138.36 : 28,423,907.94 = 12,337,265.80 : x
  2. Step 2: Convert to fraction form
    20,599,138.36/28,423,907.94 = 12,337,265.80/x
  3. Step 3: Cross multiply
    20,599,138.36x = 28,423,907.94 × 12,337,265.80
  4. Step 4: Simplify right side
    20,599,138.36x = 350,673,307,330,510.50
  5. Step 5: Solve for x
    x = 350,673,307,330,510.50/20,599,138.36
  6. Step 6: Final answer
    x = 17,023,688.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.