Home / 18,291,390.40-27,437,085.60-11,488,945.60

Finding the Fourth Proportional to 18,291,390.40, 27,437,085.60 and 11,488,945.60

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Solution

The fourth proportional to 18,291,390.40, 27,437,085.60 and 11,488,945.60 is: 17,233,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,390.40 : 27,437,085.60 = 11,488,945.60 : x
  2. Step 2: Convert to fraction form
    18,291,390.40/27,437,085.60 = 11,488,945.60/x
  3. Step 3: Cross multiply
    18,291,390.40x = 27,437,085.60 × 11,488,945.60
  4. Step 4: Simplify right side
    18,291,390.40x = 315,223,183,880,943.38
  5. Step 5: Solve for x
    x = 315,223,183,880,943.38/18,291,390.40
  6. Step 6: Final answer
    x = 17,233,418.40

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1.5x scale

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.