Home / 38,252,485.48-52,789,536.30-20,849,957.86

Finding the Fourth Proportional to 38,252,485.48, 52,789,536.30 and 20,849,957.86

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Solution

The fourth proportional to 38,252,485.48, 52,789,536.30 and 20,849,957.86 is: 28,773,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252,485.48 : 52,789,536.30 = 20,849,957.86 : x
  2. Step 2: Convert to fraction form
    38,252,485.48/52,789,536.30 = 20,849,957.86/x
  3. Step 3: Cross multiply
    38,252,485.48x = 52,789,536.30 × 20,849,957.86
  4. Step 4: Simplify right side
    38,252,485.48x = 1,100,659,607,303,940.25
  5. Step 5: Solve for x
    x = 1,100,659,607,303,940.25/38,252,485.48
  6. Step 6: Final answer
    x = 28,773,544.87

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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.