Home / 13,578,412.41-18,733,623.53-7,697,416.05

Finding the Fourth Proportional to 13,578,412.41, 18,733,623.53 and 7,697,416.05

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Solution

The fourth proportional to 13,578,412.41, 18,733,623.53 and 7,697,416.05 is: 10,619,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,412.41 : 18,733,623.53 = 7,697,416.05 : x
  2. Step 2: Convert to fraction form
    13,578,412.41/18,733,623.53 = 7,697,416.05/x
  3. Step 3: Cross multiply
    13,578,412.41x = 18,733,623.53 × 7,697,416.05
  4. Step 4: Simplify right side
    13,578,412.41x = 144,200,494,395,992.56
  5. Step 5: Solve for x
    x = 144,200,494,395,992.56/13,578,412.41
  6. Step 6: Final answer
    x = 10,619,834.63

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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.