Home / 11,873,384.80-17,810,077.20-5,154,920.80

Finding the Fourth Proportional to 11,873,384.80, 17,810,077.20 and 5,154,920.80

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Solution

The fourth proportional to 11,873,384.80, 17,810,077.20 and 5,154,920.80 is: 7,732,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873,384.80 : 17,810,077.20 = 5,154,920.80 : x
  2. Step 2: Convert to fraction form
    11,873,384.80/17,810,077.20 = 5,154,920.80/x
  3. Step 3: Cross multiply
    11,873,384.80x = 17,810,077.20 × 5,154,920.80
  4. Step 4: Simplify right side
    11,873,384.80x = 91,809,537,407,885.75
  5. Step 5: Solve for x
    x = 91,809,537,407,885.75/11,873,384.80
  6. Step 6: Final answer
    x = 7,732,381.20

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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.