Home / 17,860,535.40-26,790,803.10-12,457,770.60

Finding the Fourth Proportional to 17,860,535.40, 26,790,803.10 and 12,457,770.60

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Solution

The fourth proportional to 17,860,535.40, 26,790,803.10 and 12,457,770.60 is: 18,686,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860,535.40 : 26,790,803.10 = 12,457,770.60 : x
  2. Step 2: Convert to fraction form
    17,860,535.40/26,790,803.10 = 12,457,770.60/x
  3. Step 3: Cross multiply
    17,860,535.40x = 26,790,803.10 × 12,457,770.60
  4. Step 4: Simplify right side
    17,860,535.40x = 333,753,679,209,568.88
  5. Step 5: Solve for x
    x = 333,753,679,209,568.88/17,860,535.40
  6. Step 6: Final answer
    x = 18,686,655.90

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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.