Home / 30,276,260.76-45,434,448.96-16,638,930.64

Finding the Fourth Proportional to 30,276,260.76, 45,434,448.96 and 16,638,930.64

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Solution

The fourth proportional to 30,276,260.76, 45,434,448.96 and 16,638,930.64 is: 24,969,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,260.76 : 45,434,448.96 = 16,638,930.64 : x
  2. Step 2: Convert to fraction form
    30,276,260.76/45,434,448.96 = 16,638,930.64/x
  3. Step 3: Cross multiply
    30,276,260.76x = 45,434,448.96 × 16,638,930.64
  4. Step 4: Simplify right side
    30,276,260.76x = 755,980,644,912,060.12
  5. Step 5: Solve for x
    x = 755,980,644,912,060.12/30,276,260.76
  6. Step 6: Final answer
    x = 24,969,419.14

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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.