Home / 13,048,493.79-18,006,423.44-7,247,647.61

Finding the Fourth Proportional to 13,048,493.79, 18,006,423.44 and 7,247,647.61

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Solution

The fourth proportional to 13,048,493.79, 18,006,423.44 and 7,247,647.61 is: 10,001,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,493.79 : 18,006,423.44 = 7,247,647.61 : x
  2. Step 2: Convert to fraction form
    13,048,493.79/18,006,423.44 = 7,247,647.61/x
  3. Step 3: Cross multiply
    13,048,493.79x = 18,006,423.44 × 7,247,647.61
  4. Step 4: Simplify right side
    13,048,493.79x = 130,504,211,809,564
  5. Step 5: Solve for x
    x = 130,504,211,809,564/13,048,493.79
  6. Step 6: Final answer
    x = 10,001,477.10

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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.