Home / 12,678,816.44-19,017,524.82-9,270,595.64

Finding the Fourth Proportional to 12,678,816.44, 19,017,524.82 and 9,270,595.64

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Solution

The fourth proportional to 12,678,816.44, 19,017,524.82 and 9,270,595.64 is: 13,905,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,816.44 : 19,017,524.82 = 9,270,595.64 : x
  2. Step 2: Convert to fraction form
    12,678,816.44/19,017,524.82 = 9,270,595.64/x
  3. Step 3: Cross multiply
    12,678,816.44x = 19,017,524.82 × 9,270,595.64
  4. Step 4: Simplify right side
    12,678,816.44x = 176,303,782,679,883.81
  5. Step 5: Solve for x
    x = 176,303,782,679,883.81/12,678,816.44
  6. Step 6: Final answer
    x = 13,905,381.75

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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.