Home / 30,618,000.40-45,930,937.20-15,273,133.60

Finding the Fourth Proportional to 30,618,000.40, 45,930,937.20 and 15,273,133.60

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Solution

The fourth proportional to 30,618,000.40, 45,930,937.20 and 15,273,133.60 is: 22,911,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,000.40 : 45,930,937.20 = 15,273,133.60 : x
  2. Step 2: Convert to fraction form
    30,618,000.40/45,930,937.20 = 15,273,133.60/x
  3. Step 3: Cross multiply
    30,618,000.40x = 45,930,937.20 × 15,273,133.60
  4. Step 4: Simplify right side
    30,618,000.40x = 701,509,340,228,810
  5. Step 5: Solve for x
    x = 701,509,340,228,810/30,618,000.40
  6. Step 6: Final answer
    x = 22,911,664.09

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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.