Home / 13,425,642.90-20,140,448.94-4,903,986.42

Finding the Fourth Proportional to 13,425,642.90, 20,140,448.94 and 4,903,986.42

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Solution

The fourth proportional to 13,425,642.90, 20,140,448.94 and 4,903,986.42 is: 7,356,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,642.90 : 20,140,448.94 = 4,903,986.42 : x
  2. Step 2: Convert to fraction form
    13,425,642.90/20,140,448.94 = 4,903,986.42/x
  3. Step 3: Cross multiply
    13,425,642.90x = 20,140,448.94 × 4,903,986.42
  4. Step 4: Simplify right side
    13,425,642.90x = 98,768,488,094,463.41
  5. Step 5: Solve for x
    x = 98,768,488,094,463.41/13,425,642.90
  6. Step 6: Final answer
    x = 7,356,704.54

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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.