Home / 30,167,420.70-45,251,131.05-9,972,662.70

Finding the Fourth Proportional to 30,167,420.70, 45,251,131.05 and 9,972,662.70

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Solution

The fourth proportional to 30,167,420.70, 45,251,131.05 and 9,972,662.70 is: 14,958,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167,420.70 : 45,251,131.05 = 9,972,662.70 : x
  2. Step 2: Convert to fraction form
    30,167,420.70/45,251,131.05 = 9,972,662.70/x
  3. Step 3: Cross multiply
    30,167,420.70x = 45,251,131.05 × 9,972,662.70
  4. Step 4: Simplify right side
    30,167,420.70x = 451,274,266,755,146.75
  5. Step 5: Solve for x
    x = 451,274,266,755,146.75/30,167,420.70
  6. Step 6: Final answer
    x = 14,958,994.05

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Double scale
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1.5x scale

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.