Home / 40,378,085.80-60,567,128.70-13,451,741.80

Finding the Fourth Proportional to 40,378,085.80, 60,567,128.70 and 13,451,741.80

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Solution

The fourth proportional to 40,378,085.80, 60,567,128.70 and 13,451,741.80 is: 20,177,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378,085.80 : 60,567,128.70 = 13,451,741.80 : x
  2. Step 2: Convert to fraction form
    40,378,085.80/60,567,128.70 = 13,451,741.80/x
  3. Step 3: Cross multiply
    40,378,085.80x = 60,567,128.70 × 13,451,741.80
  4. Step 4: Simplify right side
    40,378,085.80x = 814,733,376,839,769.75
  5. Step 5: Solve for x
    x = 814,733,376,839,769.75/40,378,085.80
  6. Step 6: Final answer
    x = 20,177,612.70

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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.