Home / 30,889,717.20-46,334,575.80-18,135,133.20

Finding the Fourth Proportional to 30,889,717.20, 46,334,575.80 and 18,135,133.20

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Solution

The fourth proportional to 30,889,717.20, 46,334,575.80 and 18,135,133.20 is: 27,202,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889,717.20 : 46,334,575.80 = 18,135,133.20 : x
  2. Step 2: Convert to fraction form
    30,889,717.20/46,334,575.80 = 18,135,133.20/x
  3. Step 3: Cross multiply
    30,889,717.20x = 46,334,575.80 × 18,135,133.20
  4. Step 4: Simplify right side
    30,889,717.20x = 840,283,703,898,496.50
  5. Step 5: Solve for x
    x = 840,283,703,898,496.50/30,889,717.20
  6. Step 6: Final answer
    x = 27,202,699.80

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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.