Home / 13,747,056.40-20,612,808.60-5,227,670.80

Finding the Fourth Proportional to 13,747,056.40, 20,612,808.60 and 5,227,670.80

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Solution

The fourth proportional to 13,747,056.40, 20,612,808.60 and 5,227,670.80 is: 7,838,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,056.40 : 20,612,808.60 = 5,227,670.80 : x
  2. Step 2: Convert to fraction form
    13,747,056.40/20,612,808.60 = 5,227,670.80/x
  3. Step 3: Cross multiply
    13,747,056.40x = 20,612,808.60 × 5,227,670.80
  4. Step 4: Simplify right side
    13,747,056.40x = 107,756,977,624,208.89
  5. Step 5: Solve for x
    x = 107,756,977,624,208.89/13,747,056.40
  6. Step 6: Final answer
    x = 7,838,549.18

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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.