Home / 30,721,607.20-46,082,410.80-19,412,192.80

Finding the Fourth Proportional to 30,721,607.20, 46,082,410.80 and 19,412,192.80

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Solution

The fourth proportional to 30,721,607.20, 46,082,410.80 and 19,412,192.80 is: 29,118,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,607.20 : 46,082,410.80 = 19,412,192.80 : x
  2. Step 2: Convert to fraction form
    30,721,607.20/46,082,410.80 = 19,412,192.80/x
  3. Step 3: Cross multiply
    30,721,607.20x = 46,082,410.80 × 19,412,192.80
  4. Step 4: Simplify right side
    30,721,607.20x = 894,560,643,138,402.25
  5. Step 5: Solve for x
    x = 894,560,643,138,402.25/30,721,607.20
  6. Step 6: Final answer
    x = 29,118,289.20

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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.