Home / 18,149,364.20-27,168,059.10-10,553,767.40

Finding the Fourth Proportional to 18,149,364.20, 27,168,059.10 and 10,553,767.40

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Solution

The fourth proportional to 18,149,364.20, 27,168,059.10 and 10,553,767.40 is: 15,798,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149,364.20 : 27,168,059.10 = 10,553,767.40 : x
  2. Step 2: Convert to fraction form
    18,149,364.20/27,168,059.10 = 10,553,767.40/x
  3. Step 3: Cross multiply
    18,149,364.20x = 27,168,059.10 × 10,553,767.40
  4. Step 4: Simplify right side
    18,149,364.20x = 286,725,376,450,853.38
  5. Step 5: Solve for x
    x = 286,725,376,450,853.38/18,149,364.20
  6. Step 6: Final answer
    x = 15,798,094.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.