Home / 13,148,415.65-18,144,465.53-7,347,245.06

Finding the Fourth Proportional to 13,148,415.65, 18,144,465.53 and 7,347,245.06

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Solution

The fourth proportional to 13,148,415.65, 18,144,465.53 and 7,347,245.06 is: 10,139,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,415.65 : 18,144,465.53 = 7,347,245.06 : x
  2. Step 2: Convert to fraction form
    13,148,415.65/18,144,465.53 = 7,347,245.06/x
  3. Step 3: Cross multiply
    13,148,415.65x = 18,144,465.53 × 7,347,245.06
  4. Step 4: Simplify right side
    13,148,415.65x = 133,311,834,740,257.70
  5. Step 5: Solve for x
    x = 133,311,834,740,257.70/13,148,415.65
  6. Step 6: Final answer
    x = 10,139,003.68

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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.