Home / 13,764,528.89-18,994,063.86-7,570,011.77

Finding the Fourth Proportional to 13,764,528.89, 18,994,063.86 and 7,570,011.77

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Solution

The fourth proportional to 13,764,528.89, 18,994,063.86 and 7,570,011.77 is: 10,446,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,528.89 : 18,994,063.86 = 7,570,011.77 : x
  2. Step 2: Convert to fraction form
    13,764,528.89/18,994,063.86 = 7,570,011.77/x
  3. Step 3: Cross multiply
    13,764,528.89x = 18,994,063.86 × 7,570,011.77
  4. Step 4: Simplify right side
    13,764,528.89x = 143,785,286,980,331.62
  5. Step 5: Solve for x
    x = 143,785,286,980,331.62/13,764,528.89
  6. Step 6: Final answer
    x = 10,446,073.97

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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.