Home / 19,956,887.40-29,935,331.10-7,179,364.20

Finding the Fourth Proportional to 19,956,887.40, 29,935,331.10 and 7,179,364.20

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Solution

The fourth proportional to 19,956,887.40, 29,935,331.10 and 7,179,364.20 is: 10,769,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,887.40 : 29,935,331.10 = 7,179,364.20 : x
  2. Step 2: Convert to fraction form
    19,956,887.40/29,935,331.10 = 7,179,364.20/x
  3. Step 3: Cross multiply
    19,956,887.40x = 29,935,331.10 × 7,179,364.20
  4. Step 4: Simplify right side
    19,956,887.40x = 214,916,644,414,486.62
  5. Step 5: Solve for x
    x = 214,916,644,414,486.62/19,956,887.40
  6. Step 6: Final answer
    x = 10,769,046.30

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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.