Home / 21,066,352.20-31,599,528.30-5,920,283.70

Finding the Fourth Proportional to 21,066,352.20, 31,599,528.30 and 5,920,283.70

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Solution

The fourth proportional to 21,066,352.20, 31,599,528.30 and 5,920,283.70 is: 8,880,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,352.20 : 31,599,528.30 = 5,920,283.70 : x
  2. Step 2: Convert to fraction form
    21,066,352.20/31,599,528.30 = 5,920,283.70/x
  3. Step 3: Cross multiply
    21,066,352.20x = 31,599,528.30 × 5,920,283.70
  4. Step 4: Simplify right side
    21,066,352.20x = 187,078,172,243,179.88
  5. Step 5: Solve for x
    x = 187,078,172,243,179.88/21,066,352.20
  6. Step 6: Final answer
    x = 8,880,425.55

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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.