Home / 8,142,065.28-11,235,611.52-4,520,160

Finding the Fourth Proportional to 8,142,065.28, 11,235,611.52 and 4,520,160

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Solution

The fourth proportional to 8,142,065.28, 11,235,611.52 and 4,520,160 is: 6,237,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,065.28 : 11,235,611.52 = 4,520,160 : x
  2. Step 2: Convert to fraction form
    8,142,065.28/11,235,611.52 = 4,520,160/x
  3. Step 3: Cross multiply
    8,142,065.28x = 11,235,611.52 × 4,520,160
  4. Step 4: Simplify right side
    8,142,065.28x = 50,786,761,768,243.20
  5. Step 5: Solve for x
    x = 50,786,761,768,243.20/8,142,065.28
  6. Step 6: Final answer
    x = 6,237,577.32

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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.