Home / 18,673,399.80-28,008,026.10-15,301,726.20

Finding the Fourth Proportional to 18,673,399.80, 28,008,026.10 and 15,301,726.20

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Solution

The fourth proportional to 18,673,399.80, 28,008,026.10 and 15,301,726.20 is: 22,950,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673,399.80 : 28,008,026.10 = 15,301,726.20 : x
  2. Step 2: Convert to fraction form
    18,673,399.80/28,008,026.10 = 15,301,726.20/x
  3. Step 3: Cross multiply
    18,673,399.80x = 28,008,026.10 × 15,301,726.20
  4. Step 4: Simplify right side
    18,673,399.80x = 428,571,146,784,653.81
  5. Step 5: Solve for x
    x = 428,571,146,784,653.81/18,673,399.80
  6. Step 6: Final answer
    x = 22,950,890.11

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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.