Home / 30,276,258.53-45,434,445.63-16,638,928.43

Finding the Fourth Proportional to 30,276,258.53, 45,434,445.63 and 16,638,928.43

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Solution

The fourth proportional to 30,276,258.53, 45,434,445.63 and 16,638,928.43 is: 24,969,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,258.53 : 45,434,445.63 = 16,638,928.43 : x
  2. Step 2: Convert to fraction form
    30,276,258.53/45,434,445.63 = 16,638,928.43/x
  3. Step 3: Cross multiply
    30,276,258.53x = 45,434,445.63 × 16,638,928.43
  4. Step 4: Simplify right side
    30,276,258.53x = 755,980,489,011,101.62
  5. Step 5: Solve for x
    x = 755,980,489,011,101.62/30,276,258.53
  6. Step 6: Final answer
    x = 24,969,415.83

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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.