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Finding the Fourth Proportional to 33,502,993.80, 50,254,490.70 and 14,335,688.40

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Solution

The fourth proportional to 33,502,993.80, 50,254,490.70 and 14,335,688.40 is: 21,503,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,502,993.80 : 50,254,490.70 = 14,335,688.40 : x
  2. Step 2: Convert to fraction form
    33,502,993.80/50,254,490.70 = 14,335,688.40/x
  3. Step 3: Cross multiply
    33,502,993.80x = 50,254,490.70 × 14,335,688.40
  4. Step 4: Simplify right side
    33,502,993.80x = 720,432,719,375,898
  5. Step 5: Solve for x
    x = 720,432,719,375,898/33,502,993.80
  6. Step 6: Final answer
    x = 21,503,532.60

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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.