Home / 10,860,322.20-16,262,489.70-8,620,834.20

Finding the Fourth Proportional to 10,860,322.20, 16,262,489.70 and 8,620,834.20

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Solution

The fourth proportional to 10,860,322.20, 16,262,489.70 and 8,620,834.20 is: 12,909,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860,322.20 : 16,262,489.70 = 8,620,834.20 : x
  2. Step 2: Convert to fraction form
    10,860,322.20/16,262,489.70 = 8,620,834.20/x
  3. Step 3: Cross multiply
    10,860,322.20x = 16,262,489.70 × 8,620,834.20
  4. Step 4: Simplify right side
    10,860,322.20x = 140,196,227,382,907.72
  5. Step 5: Solve for x
    x = 140,196,227,382,907.72/10,860,322.20
  6. Step 6: Final answer
    x = 12,909,030.21

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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.