Home / 13,912,076.40-20,868,114.60-3,814,681.20

Finding the Fourth Proportional to 13,912,076.40, 20,868,114.60 and 3,814,681.20

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Solution

The fourth proportional to 13,912,076.40, 20,868,114.60 and 3,814,681.20 is: 5,722,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912,076.40 : 20,868,114.60 = 3,814,681.20 : x
  2. Step 2: Convert to fraction form
    13,912,076.40/20,868,114.60 = 3,814,681.20/x
  3. Step 3: Cross multiply
    13,912,076.40x = 20,868,114.60 × 3,814,681.20
  4. Step 4: Simplify right side
    13,912,076.40x = 79,605,204,444,065.53
  5. Step 5: Solve for x
    x = 79,605,204,444,065.53/13,912,076.40
  6. Step 6: Final answer
    x = 5,722,021.80

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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.