Home / 14,635,242-20,185,261.20-9,992,761.20

Finding the Fourth Proportional to 14,635,242, 20,185,261.20 and 9,992,761.20

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Solution

The fourth proportional to 14,635,242, 20,185,261.20 and 9,992,761.20 is: 13,782,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635,242 : 20,185,261.20 = 9,992,761.20 : x
  2. Step 2: Convert to fraction form
    14,635,242/20,185,261.20 = 9,992,761.20/x
  3. Step 3: Cross multiply
    14,635,242x = 20,185,261.20 × 9,992,761.20
  4. Step 4: Simplify right side
    14,635,242x = 201,706,494,931,225.41
  5. Step 5: Solve for x
    x = 201,706,494,931,225.41/14,635,242
  6. Step 6: Final answer
    x = 13,782,245.28

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1.5x scale

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.