Home / 13,874,926.23-19,147,434.63-7,680,400.11

Finding the Fourth Proportional to 13,874,926.23, 19,147,434.63 and 7,680,400.11

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Solution

The fourth proportional to 13,874,926.23, 19,147,434.63 and 7,680,400.11 is: 10,598,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,926.23 : 19,147,434.63 = 7,680,400.11 : x
  2. Step 2: Convert to fraction form
    13,874,926.23/19,147,434.63 = 7,680,400.11/x
  3. Step 3: Cross multiply
    13,874,926.23x = 19,147,434.63 × 7,680,400.11
  4. Step 4: Simplify right side
    13,874,926.23x = 147,059,959,038,469.81
  5. Step 5: Solve for x
    x = 147,059,959,038,469.81/13,874,926.23
  6. Step 6: Final answer
    x = 10,598,972.32

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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.