Home / 13,069,744.41-19,602,032.31-12,421,631.82

Finding the Fourth Proportional to 13,069,744.41, 19,602,032.31 and 12,421,631.82

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Solution

The fourth proportional to 13,069,744.41, 19,602,032.31 and 12,421,631.82 is: 18,629,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,744.41 : 19,602,032.31 = 12,421,631.82 : x
  2. Step 2: Convert to fraction form
    13,069,744.41/19,602,032.31 = 12,421,631.82/x
  3. Step 3: Cross multiply
    13,069,744.41x = 19,602,032.31 × 12,421,631.82
  4. Step 4: Simplify right side
    13,069,744.41x = 243,489,228,278,564.09
  5. Step 5: Solve for x
    x = 243,489,228,278,564.09/13,069,744.41
  6. Step 6: Final answer
    x = 18,629,991.58

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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.