Home / 13,148,433.18-18,144,489.60-7,347,262.59

Finding the Fourth Proportional to 13,148,433.18, 18,144,489.60 and 7,347,262.59

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Solution

The fourth proportional to 13,148,433.18, 18,144,489.60 and 7,347,262.59 is: 10,139,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,433.18 : 18,144,489.60 = 7,347,262.59 : x
  2. Step 2: Convert to fraction form
    13,148,433.18/18,144,489.60 = 7,347,262.59/x
  3. Step 3: Cross multiply
    13,148,433.18x = 18,144,489.60 × 7,347,262.59
  4. Step 4: Simplify right side
    13,148,433.18x = 133,312,329,652,724.08
  5. Step 5: Solve for x
    x = 133,312,329,652,724.08/13,148,433.18
  6. Step 6: Final answer
    x = 10,139,027.81

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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.