Home / 13,874,920.23-19,147,426.36-7,680,394.11

Finding the Fourth Proportional to 13,874,920.23, 19,147,426.36 and 7,680,394.11

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Solution

The fourth proportional to 13,874,920.23, 19,147,426.36 and 7,680,394.11 is: 10,598,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,920.23 : 19,147,426.36 = 7,680,394.11 : x
  2. Step 2: Convert to fraction form
    13,874,920.23/19,147,426.36 = 7,680,394.11/x
  3. Step 3: Cross multiply
    13,874,920.23x = 19,147,426.36 × 7,680,394.11
  4. Step 4: Simplify right side
    13,874,920.23x = 147,059,780,732,806.81
  5. Step 5: Solve for x
    x = 147,059,780,732,806.81/13,874,920.23
  6. Step 6: Final answer
    x = 10,598,964.05

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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.