Home / 12,192,816.72-16,826,572.22-6,686,389.07

Finding the Fourth Proportional to 12,192,816.72, 16,826,572.22 and 6,686,389.07

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Solution

The fourth proportional to 12,192,816.72, 16,826,572.22 and 6,686,389.07 is: 9,227,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,816.72 : 16,826,572.22 = 6,686,389.07 : x
  2. Step 2: Convert to fraction form
    12,192,816.72/16,826,572.22 = 6,686,389.07/x
  3. Step 3: Cross multiply
    12,192,816.72x = 16,826,572.22 × 6,686,389.07
  4. Step 4: Simplify right side
    12,192,816.72x = 112,509,008,509,956.75
  5. Step 5: Solve for x
    x = 112,509,008,509,956.75/12,192,816.72
  6. Step 6: Final answer
    x = 9,227,482.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.