Home / 13,639,997.52-18,822,908.88-7,444,838.88

Finding the Fourth Proportional to 13,639,997.52, 18,822,908.88 and 7,444,838.88

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Solution

The fourth proportional to 13,639,997.52, 18,822,908.88 and 7,444,838.88 is: 10,273,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,997.52 : 18,822,908.88 = 7,444,838.88 : x
  2. Step 2: Convert to fraction form
    13,639,997.52/18,822,908.88 = 7,444,838.88/x
  3. Step 3: Cross multiply
    13,639,997.52x = 18,822,908.88 × 7,444,838.88
  4. Step 4: Simplify right side
    13,639,997.52x = 140,133,523,864,521.25
  5. Step 5: Solve for x
    x = 140,133,523,864,521.25/13,639,997.52
  6. Step 6: Final answer
    x = 10,273,720.63

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1.5x scale

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.