Home / 13,113,959.04-18,098,553.60-7,956,915.84

Finding the Fourth Proportional to 13,113,959.04, 18,098,553.60 and 7,956,915.84

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Solution

The fourth proportional to 13,113,959.04, 18,098,553.60 and 7,956,915.84 is: 10,981,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,959.04 : 18,098,553.60 = 7,956,915.84 : x
  2. Step 2: Convert to fraction form
    13,113,959.04/18,098,553.60 = 7,956,915.84/x
  3. Step 3: Cross multiply
    13,113,959.04x = 18,098,553.60 × 7,956,915.84
  4. Step 4: Simplify right side
    13,113,959.04x = 144,008,667,820,929.03
  5. Step 5: Solve for x
    x = 144,008,667,820,929.03/13,113,959.04
  6. Step 6: Final answer
    x = 10,981,326.64

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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.