Home / 13,148,438.42-18,144,496.85-7,347,267.83

Finding the Fourth Proportional to 13,148,438.42, 18,144,496.85 and 7,347,267.83

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Solution

The fourth proportional to 13,148,438.42, 18,144,496.85 and 7,347,267.83 is: 10,139,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,438.42 : 18,144,496.85 = 7,347,267.83 : x
  2. Step 2: Convert to fraction form
    13,148,438.42/18,144,496.85 = 7,347,267.83/x
  3. Step 3: Cross multiply
    13,148,438.42x = 18,144,496.85 × 7,347,267.83
  4. Step 4: Simplify right side
    13,148,438.42x = 133,312,477,870,082.50
  5. Step 5: Solve for x
    x = 133,312,477,870,082.50/13,148,438.42
  6. Step 6: Final answer
    x = 10,139,035.04

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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.