Home / 18,379,931.70-27,569,897.55-11,577,486.90

Finding the Fourth Proportional to 18,379,931.70, 27,569,897.55 and 11,577,486.90

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Solution

The fourth proportional to 18,379,931.70, 27,569,897.55 and 11,577,486.90 is: 17,366,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,931.70 : 27,569,897.55 = 11,577,486.90 : x
  2. Step 2: Convert to fraction form
    18,379,931.70/27,569,897.55 = 11,577,486.90/x
  3. Step 3: Cross multiply
    18,379,931.70x = 27,569,897.55 × 11,577,486.90
  4. Step 4: Simplify right side
    18,379,931.70x = 319,190,127,719,467.12
  5. Step 5: Solve for x
    x = 319,190,127,719,467.12/18,379,931.70
  6. Step 6: Final answer
    x = 17,366,230.35

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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.