Home / 14,381,835.90-19,846,815.60-7,855,469.48

Finding the Fourth Proportional to 14,381,835.90, 19,846,815.60 and 7,855,469.48

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Solution

The fourth proportional to 14,381,835.90, 19,846,815.60 and 7,855,469.48 is: 10,840,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,835.90 : 19,846,815.60 = 7,855,469.48 : x
  2. Step 2: Convert to fraction form
    14,381,835.90/19,846,815.60 = 7,855,469.48/x
  3. Step 3: Cross multiply
    14,381,835.90x = 19,846,815.60 × 7,855,469.48
  4. Step 4: Simplify right side
    14,381,835.90x = 155,906,054,121,753.81
  5. Step 5: Solve for x
    x = 155,906,054,121,753.81/14,381,835.90
  6. Step 6: Final answer
    x = 10,840,483.45

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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.