Home / 10,463,905.80-15,660,429.30-9,188,447.40

Finding the Fourth Proportional to 10,463,905.80, 15,660,429.30 and 9,188,447.40

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Solution

The fourth proportional to 10,463,905.80, 15,660,429.30 and 9,188,447.40 is: 13,751,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463,905.80 : 15,660,429.30 = 9,188,447.40 : x
  2. Step 2: Convert to fraction form
    10,463,905.80/15,660,429.30 = 9,188,447.40/x
  3. Step 3: Cross multiply
    10,463,905.80x = 15,660,429.30 × 9,188,447.40
  4. Step 4: Simplify right side
    10,463,905.80x = 143,895,030,884,468.84
  5. Step 5: Solve for x
    x = 143,895,030,884,468.84/10,463,905.80
  6. Step 6: Final answer
    x = 13,751,560.23

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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.