Home / 11,821,874.70-17,732,812.05-4,249,605.90

Finding the Fourth Proportional to 11,821,874.70, 17,732,812.05 and 4,249,605.90

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Solution

The fourth proportional to 11,821,874.70, 17,732,812.05 and 4,249,605.90 is: 6,374,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,874.70 : 17,732,812.05 = 4,249,605.90 : x
  2. Step 2: Convert to fraction form
    11,821,874.70/17,732,812.05 = 4,249,605.90/x
  3. Step 3: Cross multiply
    11,821,874.70x = 17,732,812.05 × 4,249,605.90
  4. Step 4: Simplify right side
    11,821,874.70x = 75,357,462,711,271.11
  5. Step 5: Solve for x
    x = 75,357,462,711,271.11/11,821,874.70
  6. Step 6: Final answer
    x = 6,374,408.85

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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.