Home / 15,693,042.30-23,539,563.45-8,122,328.70

Finding the Fourth Proportional to 15,693,042.30, 23,539,563.45 and 8,122,328.70

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Solution

The fourth proportional to 15,693,042.30, 23,539,563.45 and 8,122,328.70 is: 12,183,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693,042.30 : 23,539,563.45 = 8,122,328.70 : x
  2. Step 2: Convert to fraction form
    15,693,042.30/23,539,563.45 = 8,122,328.70/x
  3. Step 3: Cross multiply
    15,693,042.30x = 23,539,563.45 × 8,122,328.70
  4. Step 4: Simplify right side
    15,693,042.30x = 191,196,071,795,406
  5. Step 5: Solve for x
    x = 191,196,071,795,406/15,693,042.30
  6. Step 6: Final answer
    x = 12,183,493.05

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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.