Home / 12,096,821.80-18,145,232.70-9,110,837.80

Finding the Fourth Proportional to 12,096,821.80, 18,145,232.70 and 9,110,837.80

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Solution

The fourth proportional to 12,096,821.80, 18,145,232.70 and 9,110,837.80 is: 13,666,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,821.80 : 18,145,232.70 = 9,110,837.80 : x
  2. Step 2: Convert to fraction form
    12,096,821.80/18,145,232.70 = 9,110,837.80/x
  3. Step 3: Cross multiply
    12,096,821.80x = 18,145,232.70 × 9,110,837.80
  4. Step 4: Simplify right side
    12,096,821.80x = 165,318,271,972,956.06
  5. Step 5: Solve for x
    x = 165,318,271,972,956.06/12,096,821.80
  6. Step 6: Final answer
    x = 13,666,256.70

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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.