Home / 13,980,168.69-19,282,694.72-9,331,609.97

Finding the Fourth Proportional to 13,980,168.69, 19,282,694.72 and 9,331,609.97

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Solution

The fourth proportional to 13,980,168.69, 19,282,694.72 and 9,331,609.97 is: 12,870,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,168.69 : 19,282,694.72 = 9,331,609.97 : x
  2. Step 2: Convert to fraction form
    13,980,168.69/19,282,694.72 = 9,331,609.97/x
  3. Step 3: Cross multiply
    13,980,168.69x = 19,282,694.72 × 9,331,609.97
  4. Step 4: Simplify right side
    13,980,168.69x = 179,938,586,154,546.84
  5. Step 5: Solve for x
    x = 179,938,586,154,546.84/13,980,168.69
  6. Step 6: Final answer
    x = 12,870,988.19

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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.