Home / 14,975,744.40-20,666,523.60-8,449,315.20

Finding the Fourth Proportional to 14,975,744.40, 20,666,523.60 and 8,449,315.20

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Solution

The fourth proportional to 14,975,744.40, 20,666,523.60 and 8,449,315.20 is: 11,660,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,744.40 : 20,666,523.60 = 8,449,315.20 : x
  2. Step 2: Convert to fraction form
    14,975,744.40/20,666,523.60 = 8,449,315.20/x
  3. Step 3: Cross multiply
    14,975,744.40x = 20,666,523.60 × 8,449,315.20
  4. Step 4: Simplify right side
    14,975,744.40x = 174,617,971,984,638.72
  5. Step 5: Solve for x
    x = 174,617,971,984,638.72/14,975,744.40
  6. Step 6: Final answer
    x = 11,660,052.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.