Home / 13,842,400.70-20,763,601.05-6,652,200.80

Finding the Fourth Proportional to 13,842,400.70, 20,763,601.05 and 6,652,200.80

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Solution

The fourth proportional to 13,842,400.70, 20,763,601.05 and 6,652,200.80 is: 9,978,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,400.70 : 20,763,601.05 = 6,652,200.80 : x
  2. Step 2: Convert to fraction form
    13,842,400.70/20,763,601.05 = 6,652,200.80/x
  3. Step 3: Cross multiply
    13,842,400.70x = 20,763,601.05 × 6,652,200.80
  4. Step 4: Simplify right side
    13,842,400.70x = 138,123,643,515,690.84
  5. Step 5: Solve for x
    x = 138,123,643,515,690.84/13,842,400.70
  6. Step 6: Final answer
    x = 9,978,301.20

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1.5x scale

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.