Home / 30,497,680.20-45,781,949.70-18,380,825.40

Finding the Fourth Proportional to 30,497,680.20, 45,781,949.70 and 18,380,825.40

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Solution

The fourth proportional to 30,497,680.20, 45,781,949.70 and 18,380,825.40 is: 27,592,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,680.20 : 45,781,949.70 = 18,380,825.40 : x
  2. Step 2: Convert to fraction form
    30,497,680.20/45,781,949.70 = 18,380,825.40/x
  3. Step 3: Cross multiply
    30,497,680.20x = 45,781,949.70 × 18,380,825.40
  4. Step 4: Simplify right side
    30,497,680.20x = 841,510,023,907,282.38
  5. Step 5: Solve for x
    x = 841,510,023,907,282.38/30,497,680.20
  6. Step 6: Final answer
    x = 27,592,591.25

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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.