Home / 30,348,858.40-45,538,233.46-14,172,458.66

Finding the Fourth Proportional to 30,348,858.40, 45,538,233.46 and 14,172,458.66

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Solution

The fourth proportional to 30,348,858.40, 45,538,233.46 and 14,172,458.66 is: 21,265,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,858.40 : 45,538,233.46 = 14,172,458.66 : x
  2. Step 2: Convert to fraction form
    30,348,858.40/45,538,233.46 = 14,172,458.66/x
  3. Step 3: Cross multiply
    30,348,858.40x = 45,538,233.46 × 14,172,458.66
  4. Step 4: Simplify right side
    30,348,858.40x = 645,388,731,161,278.75
  5. Step 5: Solve for x
    x = 645,388,731,161,278.75/30,348,858.40
  6. Step 6: Final answer
    x = 21,265,667.48

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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.