Home / 14,040,947.70-21,061,421.55-7,994,330.10

Finding the Fourth Proportional to 14,040,947.70, 21,061,421.55 and 7,994,330.10

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Solution

The fourth proportional to 14,040,947.70, 21,061,421.55 and 7,994,330.10 is: 11,991,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,947.70 : 21,061,421.55 = 7,994,330.10 : x
  2. Step 2: Convert to fraction form
    14,040,947.70/21,061,421.55 = 7,994,330.10/x
  3. Step 3: Cross multiply
    14,040,947.70x = 21,061,421.55 × 7,994,330.10
  4. Step 4: Simplify right side
    14,040,947.70x = 168,371,956,245,953.66
  5. Step 5: Solve for x
    x = 168,371,956,245,953.66/14,040,947.70
  6. Step 6: Final answer
    x = 11,991,495.15

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Double scale
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Similar ratio
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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.