Home / 30,271,158.49-41,773,615.77-16,520,221.03

Finding the Fourth Proportional to 30,271,158.49, 41,773,615.77 and 16,520,221.03

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Solution

The fourth proportional to 30,271,158.49, 41,773,615.77 and 16,520,221.03 is: 22,797,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,158.49 : 41,773,615.77 = 16,520,221.03 : x
  2. Step 2: Convert to fraction form
    30,271,158.49/41,773,615.77 = 16,520,221.03/x
  3. Step 3: Cross multiply
    30,271,158.49x = 41,773,615.77 × 16,520,221.03
  4. Step 4: Simplify right side
    30,271,158.49x = 690,109,365,742,693.62
  5. Step 5: Solve for x
    x = 690,109,365,742,693.62/30,271,158.49
  6. Step 6: Final answer
    x = 22,797,586.88

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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.