Home / 33,104,789.12-45,684,609.02-18,421,401.28

Finding the Fourth Proportional to 33,104,789.12, 45,684,609.02 and 18,421,401.28

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Solution

The fourth proportional to 33,104,789.12, 45,684,609.02 and 18,421,401.28 is: 25,421,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,104,789.12 : 45,684,609.02 = 18,421,401.28 : x
  2. Step 2: Convert to fraction form
    33,104,789.12/45,684,609.02 = 18,421,401.28/x
  3. Step 3: Cross multiply
    33,104,789.12x = 45,684,609.02 × 18,421,401.28
  4. Step 4: Simplify right side
    33,104,789.12x = 841,574,515,077,327.62
  5. Step 5: Solve for x
    x = 841,574,515,077,327.62/33,104,789.12
  6. Step 6: Final answer
    x = 25,421,533.79

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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.