Home / 14,115,361.45-19,479,208.40-7,919,552.86

Finding the Fourth Proportional to 14,115,361.45, 19,479,208.40 and 7,919,552.86

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Solution

The fourth proportional to 14,115,361.45, 19,479,208.40 and 7,919,552.86 is: 10,928,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,361.45 : 19,479,208.40 = 7,919,552.86 : x
  2. Step 2: Convert to fraction form
    14,115,361.45/19,479,208.40 = 7,919,552.86/x
  3. Step 3: Cross multiply
    14,115,361.45x = 19,479,208.40 × 7,919,552.86
  4. Step 4: Simplify right side
    14,115,361.45x = 154,266,620,536,158.56
  5. Step 5: Solve for x
    x = 154,266,620,536,158.56/14,115,361.45
  6. Step 6: Final answer
    x = 10,928,988.33

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1.5x scale

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.