Home / 31,702,824.22-47,485,909.86-21,411,090.88

Finding the Fourth Proportional to 31,702,824.22, 47,485,909.86 and 21,411,090.88

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Solution

The fourth proportional to 31,702,824.22, 47,485,909.86 and 21,411,090.88 is: 32,070,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,824.22 : 47,485,909.86 = 21,411,090.88 : x
  2. Step 2: Convert to fraction form
    31,702,824.22/47,485,909.86 = 21,411,090.88/x
  3. Step 3: Cross multiply
    31,702,824.22x = 47,485,909.86 × 21,411,090.88
  4. Step 4: Simplify right side
    31,702,824.22x = 1,016,725,131,531,948
  5. Step 5: Solve for x
    x = 1,016,725,131,531,948/31,702,824.22
  6. Step 6: Final answer
    x = 32,070,490.77

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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.