Home / 14,201,982.70-21,260,983.65-13,371,505.90

Finding the Fourth Proportional to 14,201,982.70, 21,260,983.65 and 13,371,505.90

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Solution

The fourth proportional to 14,201,982.70, 21,260,983.65 and 13,371,505.90 is: 20,017,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,982.70 : 21,260,983.65 = 13,371,505.90 : x
  2. Step 2: Convert to fraction form
    14,201,982.70/21,260,983.65 = 13,371,505.90/x
  3. Step 3: Cross multiply
    14,201,982.70x = 21,260,983.65 × 13,371,505.90
  4. Step 4: Simplify right side
    14,201,982.70x = 284,291,368,315,778.50
  5. Step 5: Solve for x
    x = 284,291,368,315,778.50/14,201,982.70
  6. Step 6: Final answer
    x = 20,017,723.89

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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.