Home / 13,755,961.26-18,963,219.24-9,613,130.40

Finding the Fourth Proportional to 13,755,961.26, 18,963,219.24 and 9,613,130.40

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Solution

The fourth proportional to 13,755,961.26, 18,963,219.24 and 9,613,130.40 is: 13,252,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,961.26 : 18,963,219.24 = 9,613,130.40 : x
  2. Step 2: Convert to fraction form
    13,755,961.26/18,963,219.24 = 9,613,130.40/x
  3. Step 3: Cross multiply
    13,755,961.26x = 18,963,219.24 × 9,613,130.40
  4. Step 4: Simplify right side
    13,755,961.26x = 182,295,899,357,908.88
  5. Step 5: Solve for x
    x = 182,295,899,357,908.88/13,755,961.26
  6. Step 6: Final answer
    x = 13,252,138.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.