Home / 19,980,429.82-27,572,992.89-10,813,072.57

Finding the Fourth Proportional to 19,980,429.82, 27,572,992.89 and 10,813,072.57

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Solution

The fourth proportional to 19,980,429.82, 27,572,992.89 and 10,813,072.57 is: 14,922,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,429.82 : 27,572,992.89 = 10,813,072.57 : x
  2. Step 2: Convert to fraction form
    19,980,429.82/27,572,992.89 = 10,813,072.57/x
  3. Step 3: Cross multiply
    19,980,429.82x = 27,572,992.89 × 10,813,072.57
  4. Step 4: Simplify right side
    19,980,429.82x = 298,148,773,228,510.50
  5. Step 5: Solve for x
    x = 298,148,773,228,510.50/19,980,429.82
  6. Step 6: Final answer
    x = 14,922,040.01

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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.