Home / 11,214,013.40-16,821,020.10-9,420,400.03

Finding the Fourth Proportional to 11,214,013.40, 16,821,020.10 and 9,420,400.03

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Solution

The fourth proportional to 11,214,013.40, 16,821,020.10 and 9,420,400.03 is: 14,130,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214,013.40 : 16,821,020.10 = 9,420,400.03 : x
  2. Step 2: Convert to fraction form
    11,214,013.40/16,821,020.10 = 9,420,400.03/x
  3. Step 3: Cross multiply
    11,214,013.40x = 16,821,020.10 × 9,420,400.03
  4. Step 4: Simplify right side
    11,214,013.40x = 158,460,738,170,565.53
  5. Step 5: Solve for x
    x = 158,460,738,170,565.53/11,214,013.40
  6. Step 6: Final answer
    x = 14,130,600.04

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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.