Home / 12,285,851.10-16,960,612.56-7,641,133.34

Finding the Fourth Proportional to 12,285,851.10, 16,960,612.56 and 7,641,133.34

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Solution

The fourth proportional to 12,285,851.10, 16,960,612.56 and 7,641,133.34 is: 10,548,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,851.10 : 16,960,612.56 = 7,641,133.34 : x
  2. Step 2: Convert to fraction form
    12,285,851.10/16,960,612.56 = 7,641,133.34/x
  3. Step 3: Cross multiply
    12,285,851.10x = 16,960,612.56 × 7,641,133.34
  4. Step 4: Simplify right side
    12,285,851.10x = 129,598,302,099,038.73
  5. Step 5: Solve for x
    x = 129,598,302,099,038.73/12,285,851.10
  6. Step 6: Final answer
    x = 10,548,581.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.