Home / 7,039,406.45-9,714,380.90-3,820,142.45

Finding the Fourth Proportional to 7,039,406.45, 9,714,380.90 and 3,820,142.45

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Solution

The fourth proportional to 7,039,406.45, 9,714,380.90 and 3,820,142.45 is: 5,271,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,406.45 : 9,714,380.90 = 3,820,142.45 : x
  2. Step 2: Convert to fraction form
    7,039,406.45/9,714,380.90 = 3,820,142.45/x
  3. Step 3: Cross multiply
    7,039,406.45x = 9,714,380.90 × 3,820,142.45
  4. Step 4: Simplify right side
    7,039,406.45x = 37,110,318,783,886.59
  5. Step 5: Solve for x
    x = 37,110,318,783,886.59/7,039,406.45
  6. Step 6: Final answer
    x = 5,271,796.57

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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.