Home / 11,108,515.80-16,662,773.70-9,218,947.80

Finding the Fourth Proportional to 11,108,515.80, 16,662,773.70 and 9,218,947.80

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Solution

The fourth proportional to 11,108,515.80, 16,662,773.70 and 9,218,947.80 is: 13,828,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108,515.80 : 16,662,773.70 = 9,218,947.80 : x
  2. Step 2: Convert to fraction form
    11,108,515.80/16,662,773.70 = 9,218,947.80/x
  3. Step 3: Cross multiply
    11,108,515.80x = 16,662,773.70 × 9,218,947.80
  4. Step 4: Simplify right side
    11,108,515.80x = 153,613,240,943,512.88
  5. Step 5: Solve for x
    x = 153,613,240,943,512.88/11,108,515.80
  6. Step 6: Final answer
    x = 13,828,421.70

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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.