Home / 40,439,740.80-60,659,611.20-11,686,814.40

Finding the Fourth Proportional to 40,439,740.80, 60,659,611.20 and 11,686,814.40

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Solution

The fourth proportional to 40,439,740.80, 60,659,611.20 and 11,686,814.40 is: 17,530,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439,740.80 : 60,659,611.20 = 11,686,814.40 : x
  2. Step 2: Convert to fraction form
    40,439,740.80/60,659,611.20 = 11,686,814.40/x
  3. Step 3: Cross multiply
    40,439,740.80x = 60,659,611.20 × 11,686,814.40
  4. Step 4: Simplify right side
    40,439,740.80x = 708,917,617,670,561.38
  5. Step 5: Solve for x
    x = 708,917,617,670,561.38/40,439,740.80
  6. Step 6: Final answer
    x = 17,530,221.60

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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.