Home / 18,992,644.74-26,206,398.72-10,620,165.60

Finding the Fourth Proportional to 18,992,644.74, 26,206,398.72 and 10,620,165.60

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Solution

The fourth proportional to 18,992,644.74, 26,206,398.72 and 10,620,165.60 is: 14,653,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,644.74 : 26,206,398.72 = 10,620,165.60 : x
  2. Step 2: Convert to fraction form
    18,992,644.74/26,206,398.72 = 10,620,165.60/x
  3. Step 3: Cross multiply
    18,992,644.74x = 26,206,398.72 × 10,620,165.60
  4. Step 4: Simplify right side
    18,992,644.74x = 278,316,294,186,028
  5. Step 5: Solve for x
    x = 278,316,294,186,028/18,992,644.74
  6. Step 6: Final answer
    x = 14,653,898.81

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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.