Home / 30,297,796.32-41,811,990.69-17,918,501.52

Finding the Fourth Proportional to 30,297,796.32, 41,811,990.69 and 17,918,501.52

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Solution

The fourth proportional to 30,297,796.32, 41,811,990.69 and 17,918,501.52 is: 24,728,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297,796.32 : 41,811,990.69 = 17,918,501.52 : x
  2. Step 2: Convert to fraction form
    30,297,796.32/41,811,990.69 = 17,918,501.52/x
  3. Step 3: Cross multiply
    30,297,796.32x = 41,811,990.69 × 17,918,501.52
  4. Step 4: Simplify right side
    30,297,796.32x = 749,208,218,671,401
  5. Step 5: Solve for x
    x = 749,208,218,671,401/30,297,796.32
  6. Step 6: Final answer
    x = 24,728,142.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.