Home / 13,048,494.86-18,006,424.85-7,247,648.67

Finding the Fourth Proportional to 13,048,494.86, 18,006,424.85 and 7,247,648.67

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Solution

The fourth proportional to 13,048,494.86, 18,006,424.85 and 7,247,648.67 is: 10,001,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,494.86 : 18,006,424.85 = 7,247,648.67 : x
  2. Step 2: Convert to fraction form
    13,048,494.86/18,006,424.85 = 7,247,648.67/x
  3. Step 3: Cross multiply
    13,048,494.86x = 18,006,424.85 × 7,247,648.67
  4. Step 4: Simplify right side
    13,048,494.86x = 130,504,241,079,319.20
  5. Step 5: Solve for x
    x = 130,504,241,079,319.20/13,048,494.86
  6. Step 6: Final answer
    x = 10,001,478.53

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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.