Home / 11,124,405.70-16,686,608.55-9,211,218.10

Finding the Fourth Proportional to 11,124,405.70, 16,686,608.55 and 9,211,218.10

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Solution

The fourth proportional to 11,124,405.70, 16,686,608.55 and 9,211,218.10 is: 13,816,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124,405.70 : 16,686,608.55 = 9,211,218.10 : x
  2. Step 2: Convert to fraction form
    11,124,405.70/16,686,608.55 = 9,211,218.10/x
  3. Step 3: Cross multiply
    11,124,405.70x = 16,686,608.55 × 9,211,218.10
  4. Step 4: Simplify right side
    11,124,405.70x = 153,703,990,703,374.75
  5. Step 5: Solve for x
    x = 153,703,990,703,374.75/11,124,405.70
  6. Step 6: Final answer
    x = 13,816,827.15

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Double scale
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Similar ratio
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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.