Home / 27,565,381.80-41,348,072.70-20,390,928.30

Finding the Fourth Proportional to 27,565,381.80, 41,348,072.70 and 20,390,928.30

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Solution

The fourth proportional to 27,565,381.80, 41,348,072.70 and 20,390,928.30 is: 30,586,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565,381.80 : 41,348,072.70 = 20,390,928.30 : x
  2. Step 2: Convert to fraction form
    27,565,381.80/41,348,072.70 = 20,390,928.30/x
  3. Step 3: Cross multiply
    27,565,381.80x = 41,348,072.70 × 20,390,928.30
  4. Step 4: Simplify right side
    27,565,381.80x = 843,125,585,768,887.50
  5. Step 5: Solve for x
    x = 843,125,585,768,887.50/27,565,381.80
  6. Step 6: Final answer
    x = 30,586,392.45

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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.