Home / 47,291,712.30-70,937,568.45-21,782,544.30

Finding the Fourth Proportional to 47,291,712.30, 70,937,568.45 and 21,782,544.30

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Solution

The fourth proportional to 47,291,712.30, 70,937,568.45 and 21,782,544.30 is: 32,673,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,712.30 : 70,937,568.45 = 21,782,544.30 : x
  2. Step 2: Convert to fraction form
    47,291,712.30/70,937,568.45 = 21,782,544.30/x
  3. Step 3: Cross multiply
    47,291,712.30x = 70,937,568.45 × 21,782,544.30
  4. Step 4: Simplify right side
    47,291,712.30x = 1,545,200,727,296,407.50
  5. Step 5: Solve for x
    x = 1,545,200,727,296,407.50/47,291,712.30
  6. Step 6: Final answer
    x = 32,673,816.45

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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.