Home / 14,112,000.30-21,168,000.45-5,135,385.90

Finding the Fourth Proportional to 14,112,000.30, 21,168,000.45 and 5,135,385.90

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Solution

The fourth proportional to 14,112,000.30, 21,168,000.45 and 5,135,385.90 is: 7,703,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,000.30 : 21,168,000.45 = 5,135,385.90 : x
  2. Step 2: Convert to fraction form
    14,112,000.30/21,168,000.45 = 5,135,385.90/x
  3. Step 3: Cross multiply
    14,112,000.30x = 21,168,000.45 × 5,135,385.90
  4. Step 4: Simplify right side
    14,112,000.30x = 108,705,851,042,123.66
  5. Step 5: Solve for x
    x = 108,705,851,042,123.66/14,112,000.30
  6. Step 6: Final answer
    x = 7,703,078.85

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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.