Home / 7,679,924.40-11,519,807.70-4,439,400.15

Finding the Fourth Proportional to 7,679,924.40, 11,519,807.70 and 4,439,400.15

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Solution

The fourth proportional to 7,679,924.40, 11,519,807.70 and 4,439,400.15 is: 6,659,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,924.40 : 11,519,807.70 = 4,439,400.15 : x
  2. Step 2: Convert to fraction form
    7,679,924.40/11,519,807.70 = 4,439,400.15/x
  3. Step 3: Cross multiply
    7,679,924.40x = 11,519,807.70 × 4,439,400.15
  4. Step 4: Simplify right side
    7,679,924.40x = 51,141,036,031,351.16
  5. Step 5: Solve for x
    x = 51,141,036,031,351.16/7,679,924.40
  6. Step 6: Final answer
    x = 6,659,054.62

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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.