Home / 18,992,839.70-26,210,142.20-10,291,009.70

Finding the Fourth Proportional to 18,992,839.70, 26,210,142.20 and 10,291,009.70

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Solution

The fourth proportional to 18,992,839.70, 26,210,142.20 and 10,291,009.70 is: 14,201,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,839.70 : 26,210,142.20 = 10,291,009.70 : x
  2. Step 2: Convert to fraction form
    18,992,839.70/26,210,142.20 = 10,291,009.70/x
  3. Step 3: Cross multiply
    18,992,839.70x = 26,210,142.20 × 10,291,009.70
  4. Step 4: Simplify right side
    18,992,839.70x = 269,728,827,618,579.31
  5. Step 5: Solve for x
    x = 269,728,827,618,579.31/18,992,839.70
  6. Step 6: Final answer
    x = 14,201,606.07

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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.