Home / 13,013,436.37-17,958,543.89-7,212,592.61

Finding the Fourth Proportional to 13,013,436.37, 17,958,543.89 and 7,212,592.61

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Solution

The fourth proportional to 13,013,436.37, 17,958,543.89 and 7,212,592.61 is: 9,953,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,436.37 : 17,958,543.89 = 7,212,592.61 : x
  2. Step 2: Convert to fraction form
    13,013,436.37/17,958,543.89 = 7,212,592.61/x
  3. Step 3: Cross multiply
    13,013,436.37x = 17,958,543.89 × 7,212,592.61
  4. Step 4: Simplify right side
    13,013,436.37x = 129,527,660,911,311.70
  5. Step 5: Solve for x
    x = 129,527,660,911,311.70/13,013,436.37
  6. Step 6: Final answer
    x = 9,953,378.74

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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.