Home / 11,219,040.70-16,828,561.05-9,305,853.10

Finding the Fourth Proportional to 11,219,040.70, 16,828,561.05 and 9,305,853.10

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Solution

The fourth proportional to 11,219,040.70, 16,828,561.05 and 9,305,853.10 is: 13,958,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219,040.70 : 16,828,561.05 = 9,305,853.10 : x
  2. Step 2: Convert to fraction form
    11,219,040.70/16,828,561.05 = 9,305,853.10/x
  3. Step 3: Cross multiply
    11,219,040.70x = 16,828,561.05 × 9,305,853.10
  4. Step 4: Simplify right side
    11,219,040.70x = 156,604,117,015,681.75
  5. Step 5: Solve for x
    x = 156,604,117,015,681.75/11,219,040.70
  6. Step 6: Final answer
    x = 13,958,779.65

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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.