Home / 11,133,665.80-16,690,778.70-4,314,891.40

Finding the Fourth Proportional to 11,133,665.80, 16,690,778.70 and 4,314,891.40

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Solution

The fourth proportional to 11,133,665.80, 16,690,778.70 and 4,314,891.40 is: 6,468,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133,665.80 : 16,690,778.70 = 4,314,891.40 : x
  2. Step 2: Convert to fraction form
    11,133,665.80/16,690,778.70 = 4,314,891.40/x
  3. Step 3: Cross multiply
    11,133,665.80x = 16,690,778.70 × 4,314,891.40
  4. Step 4: Simplify right side
    11,133,665.80x = 72,018,897,471,933.19
  5. Step 5: Solve for x
    x = 72,018,897,471,933.19/11,133,665.80
  6. Step 6: Final answer
    x = 6,468,570.08

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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.