Home / 11,977,283-17,971,072.90-3,892,737.80

Finding the Fourth Proportional to 11,977,283, 17,971,072.90 and 3,892,737.80

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Solution

The fourth proportional to 11,977,283, 17,971,072.90 and 3,892,737.80 is: 5,840,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,283 : 17,971,072.90 = 3,892,737.80 : x
  2. Step 2: Convert to fraction form
    11,977,283/17,971,072.90 = 3,892,737.80/x
  3. Step 3: Cross multiply
    11,977,283x = 17,971,072.90 × 3,892,737.80
  4. Step 4: Simplify right side
    11,977,283x = 69,956,674,784,385.61
  5. Step 5: Solve for x
    x = 69,956,674,784,385.61/11,977,283
  6. Step 6: Final answer
    x = 5,840,779.98

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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.