Home / 18,291,388.40-27,437,082.60-11,488,943.60

Finding the Fourth Proportional to 18,291,388.40, 27,437,082.60 and 11,488,943.60

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Solution

The fourth proportional to 18,291,388.40, 27,437,082.60 and 11,488,943.60 is: 17,233,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,388.40 : 27,437,082.60 = 11,488,943.60 : x
  2. Step 2: Convert to fraction form
    18,291,388.40/27,437,082.60 = 11,488,943.60/x
  3. Step 3: Cross multiply
    18,291,388.40x = 27,437,082.60 × 11,488,943.60
  4. Step 4: Simplify right side
    18,291,388.40x = 315,223,094,539,941.38
  5. Step 5: Solve for x
    x = 315,223,094,539,941.38/18,291,388.40
  6. Step 6: Final answer
    x = 17,233,415.40

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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.