Home / 47,188,496.64-70,782,604.32-21,250,430.40

Finding the Fourth Proportional to 47,188,496.64, 70,782,604.32 and 21,250,430.40

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Solution

The fourth proportional to 47,188,496.64, 70,782,604.32 and 21,250,430.40 is: 31,875,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,188,496.64 : 70,782,604.32 = 21,250,430.40 : x
  2. Step 2: Convert to fraction form
    47,188,496.64/70,782,604.32 = 21,250,430.40/x
  3. Step 3: Cross multiply
    47,188,496.64x = 70,782,604.32 × 21,250,430.40
  4. Step 4: Simplify right side
    47,188,496.64x = 1,504,160,806,632,899
  5. Step 5: Solve for x
    x = 1,504,160,806,632,899/47,188,496.64
  6. Step 6: Final answer
    x = 31,875,582.27

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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.