Home / 13,666,420.23-20,499,651.34-5,472,752.28

Finding the Fourth Proportional to 13,666,420.23, 20,499,651.34 and 5,472,752.28

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Solution

The fourth proportional to 13,666,420.23, 20,499,651.34 and 5,472,752.28 is: 8,209,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,420.23 : 20,499,651.34 = 5,472,752.28 : x
  2. Step 2: Convert to fraction form
    13,666,420.23/20,499,651.34 = 5,472,752.28/x
  3. Step 3: Cross multiply
    13,666,420.23x = 20,499,651.34 × 5,472,752.28
  4. Step 4: Simplify right side
    13,666,420.23x = 112,189,513,610,190.06
  5. Step 5: Solve for x
    x = 112,189,513,610,190.06/13,666,420.23
  6. Step 6: Final answer
    x = 8,209,136.83

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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.