Home / 13,877,412.53-20,828,076.21-9,620,570.12

Finding the Fourth Proportional to 13,877,412.53, 20,828,076.21 and 9,620,570.12

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Solution

The fourth proportional to 13,877,412.53, 20,828,076.21 and 9,620,570.12 is: 14,439,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,412.53 : 20,828,076.21 = 9,620,570.12 : x
  2. Step 2: Convert to fraction form
    13,877,412.53/20,828,076.21 = 9,620,570.12/x
  3. Step 3: Cross multiply
    13,877,412.53x = 20,828,076.21 × 9,620,570.12
  4. Step 4: Simplify right side
    13,877,412.53x = 200,377,967,643,008.84
  5. Step 5: Solve for x
    x = 200,377,967,643,008.84/13,877,412.53
  6. Step 6: Final answer
    x = 14,439,144.70

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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.