Home / 13,359,073-18,435,556.40-7,247,501.52

Finding the Fourth Proportional to 13,359,073, 18,435,556.40 and 7,247,501.52

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Solution

The fourth proportional to 13,359,073, 18,435,556.40 and 7,247,501.52 is: 10,001,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,073 : 18,435,556.40 = 7,247,501.52 : x
  2. Step 2: Convert to fraction form
    13,359,073/18,435,556.40 = 7,247,501.52/x
  3. Step 3: Cross multiply
    13,359,073x = 18,435,556.40 × 7,247,501.52
  4. Step 4: Simplify right side
    13,359,073x = 133,611,723,031,045.70
  5. Step 5: Solve for x
    x = 133,611,723,031,045.70/13,359,073
  6. Step 6: Final answer
    x = 10,001,571.44

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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.