Home / 30,321,451.20-41,843,712-16,570,421.76

Finding the Fourth Proportional to 30,321,451.20, 41,843,712 and 16,570,421.76

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Solution

The fourth proportional to 30,321,451.20, 41,843,712 and 16,570,421.76 is: 22,867,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321,451.20 : 41,843,712 = 16,570,421.76 : x
  2. Step 2: Convert to fraction form
    30,321,451.20/41,843,712 = 16,570,421.76/x
  3. Step 3: Cross multiply
    30,321,451.20x = 41,843,712 × 16,570,421.76
  4. Step 4: Simplify right side
    30,321,451.20x = 693,367,955,843,973.12
  5. Step 5: Solve for x
    x = 693,367,955,843,973.12/30,321,451.20
  6. Step 6: Final answer
    x = 22,867,241.78

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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.