Home / 7,661,952.34-11,492,928.39-7,278,822.70

Finding the Fourth Proportional to 7,661,952.34, 11,492,928.39 and 7,278,822.70

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Solution

The fourth proportional to 7,661,952.34, 11,492,928.39 and 7,278,822.70 is: 10,918,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,952.34 : 11,492,928.39 = 7,278,822.70 : x
  2. Step 2: Convert to fraction form
    7,661,952.34/11,492,928.39 = 7,278,822.70/x
  3. Step 3: Cross multiply
    7,661,952.34x = 11,492,928.39 × 7,278,822.70
  4. Step 4: Simplify right side
    7,661,952.34x = 83,654,988,054,606.45
  5. Step 5: Solve for x
    x = 83,654,988,054,606.45/7,661,952.34
  6. Step 6: Final answer
    x = 10,918,233.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.