Home / 30,250,957.70-45,322,308.30-18,398,511.20

Finding the Fourth Proportional to 30,250,957.70, 45,322,308.30 and 18,398,511.20

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Solution

The fourth proportional to 30,250,957.70, 45,322,308.30 and 18,398,511.20 is: 27,564,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250,957.70 : 45,322,308.30 = 18,398,511.20 : x
  2. Step 2: Convert to fraction form
    30,250,957.70/45,322,308.30 = 18,398,511.20/x
  3. Step 3: Cross multiply
    30,250,957.70x = 45,322,308.30 × 18,398,511.20
  4. Step 4: Simplify right side
    30,250,957.70x = 833,862,996,867,402.88
  5. Step 5: Solve for x
    x = 833,862,996,867,402.88/30,250,957.70
  6. Step 6: Final answer
    x = 27,564,846.22

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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.