Home / 13,583,954.64-18,745,956.23-7,389,054.87

Finding the Fourth Proportional to 13,583,954.64, 18,745,956.23 and 7,389,054.87

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Solution

The fourth proportional to 13,583,954.64, 18,745,956.23 and 7,389,054.87 is: 10,196,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583,954.64 : 18,745,956.23 = 7,389,054.87 : x
  2. Step 2: Convert to fraction form
    13,583,954.64/18,745,956.23 = 7,389,054.87/x
  3. Step 3: Cross multiply
    13,583,954.64x = 18,745,956.23 × 7,389,054.87
  4. Step 4: Simplify right side
    13,583,954.64x = 138,514,899,066,845.73
  5. Step 5: Solve for x
    x = 138,514,899,066,845.73/13,583,954.64
  6. Step 6: Final answer
    x = 10,196,949.47

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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.