Home / 13,666,419.23-20,499,649.84-5,472,751.28

Finding the Fourth Proportional to 13,666,419.23, 20,499,649.84 and 5,472,751.28

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Solution

The fourth proportional to 13,666,419.23, 20,499,649.84 and 5,472,751.28 is: 8,209,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,419.23 : 20,499,649.84 = 5,472,751.28 : x
  2. Step 2: Convert to fraction form
    13,666,419.23/20,499,649.84 = 5,472,751.28/x
  3. Step 3: Cross multiply
    13,666,419.23x = 20,499,649.84 × 5,472,751.28
  4. Step 4: Simplify right side
    13,666,419.23x = 112,189,484,805,754.48
  5. Step 5: Solve for x
    x = 112,189,484,805,754.48/13,666,419.23
  6. Step 6: Final answer
    x = 8,209,135.32

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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.