Home / 19,993,066.40-29,983,388.40-7,211,910.56

Finding the Fourth Proportional to 19,993,066.40, 29,983,388.40 and 7,211,910.56

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Solution

The fourth proportional to 19,993,066.40, 29,983,388.40 and 7,211,910.56 is: 10,815,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,066.40 : 29,983,388.40 = 7,211,910.56 : x
  2. Step 2: Convert to fraction form
    19,993,066.40/29,983,388.40 = 7,211,910.56/x
  3. Step 3: Cross multiply
    19,993,066.40x = 29,983,388.40 × 7,211,910.56
  4. Step 4: Simplify right side
    19,993,066.40x = 216,237,515,426,541.47
  5. Step 5: Solve for x
    x = 216,237,515,426,541.47/19,993,066.40
  6. Step 6: Final answer
    x = 10,815,625.33

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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.