Home / 18,149,363.20-27,168,057.60-10,553,766.40

Finding the Fourth Proportional to 18,149,363.20, 27,168,057.60 and 10,553,766.40

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Solution

The fourth proportional to 18,149,363.20, 27,168,057.60 and 10,553,766.40 is: 15,798,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149,363.20 : 27,168,057.60 = 10,553,766.40 : x
  2. Step 2: Convert to fraction form
    18,149,363.20/27,168,057.60 = 10,553,766.40/x
  3. Step 3: Cross multiply
    18,149,363.20x = 27,168,057.60 × 10,553,766.40
  4. Step 4: Simplify right side
    18,149,363.20x = 286,725,333,452,144.69
  5. Step 5: Solve for x
    x = 286,725,333,452,144.69/18,149,363.20
  6. Step 6: Final answer
    x = 15,798,093.32

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1.5x scale

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.