Home / 13,148,407.57-18,144,454.38-7,347,236.98

Finding the Fourth Proportional to 13,148,407.57, 18,144,454.38 and 7,347,236.98

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Solution

The fourth proportional to 13,148,407.57, 18,144,454.38 and 7,347,236.98 is: 10,138,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,407.57 : 18,144,454.38 = 7,347,236.98 : x
  2. Step 2: Convert to fraction form
    13,148,407.57/18,144,454.38 = 7,347,236.98/x
  3. Step 3: Cross multiply
    13,148,407.57x = 18,144,454.38 × 7,347,236.98
  4. Step 4: Simplify right side
    13,148,407.57x = 133,311,606,225,762.55
  5. Step 5: Solve for x
    x = 133,311,606,225,762.55/13,148,407.57
  6. Step 6: Final answer
    x = 10,138,992.54

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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.