Home / 13,681,732.73-18,880,790.38-7,486,780.19

Finding the Fourth Proportional to 13,681,732.73, 18,880,790.38 and 7,486,780.19

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Solution

The fourth proportional to 13,681,732.73, 18,880,790.38 and 7,486,780.19 is: 10,331,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,732.73 : 18,880,790.38 = 7,486,780.19 : x
  2. Step 2: Convert to fraction form
    13,681,732.73/18,880,790.38 = 7,486,780.19/x
  3. Step 3: Cross multiply
    13,681,732.73x = 18,880,790.38 × 7,486,780.19
  4. Step 4: Simplify right side
    13,681,732.73x = 141,356,327,275,405.69
  5. Step 5: Solve for x
    x = 141,356,327,275,405.69/13,681,732.73
  6. Step 6: Final answer
    x = 10,331,756.23

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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.