Home / 47,188,497.64-70,782,605.82-21,250,431.40

Finding the Fourth Proportional to 47,188,497.64, 70,782,605.82 and 21,250,431.40

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Solution

The fourth proportional to 47,188,497.64, 70,782,605.82 and 21,250,431.40 is: 31,875,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,188,497.64 : 70,782,605.82 = 21,250,431.40 : x
  2. Step 2: Convert to fraction form
    47,188,497.64/70,782,605.82 = 21,250,431.40/x
  3. Step 3: Cross multiply
    47,188,497.64x = 70,782,605.82 × 21,250,431.40
  4. Step 4: Simplify right side
    47,188,497.64x = 1,504,160,909,291,150.50
  5. Step 5: Solve for x
    x = 1,504,160,909,291,150.50/47,188,497.64
  6. Step 6: Final answer
    x = 31,875,583.77

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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.