Home / 19,659,776.72-27,130,672.20-10,839,544.40

Finding the Fourth Proportional to 19,659,776.72, 27,130,672.20 and 10,839,544.40

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Solution

The fourth proportional to 19,659,776.72, 27,130,672.20 and 10,839,544.40 is: 14,958,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,776.72 : 27,130,672.20 = 10,839,544.40 : x
  2. Step 2: Convert to fraction form
    19,659,776.72/27,130,672.20 = 10,839,544.40/x
  3. Step 3: Cross multiply
    19,659,776.72x = 27,130,672.20 × 10,839,544.40
  4. Step 4: Simplify right side
    19,659,776.72x = 294,084,125,913,745.69
  5. Step 5: Solve for x
    x = 294,084,125,913,745.69/19,659,776.72
  6. Step 6: Final answer
    x = 14,958,670.70

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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.