Home / 12,644,551.68-18,964,704.32-4,556,019.84

Finding the Fourth Proportional to 12,644,551.68, 18,964,704.32 and 4,556,019.84

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Solution

The fourth proportional to 12,644,551.68, 18,964,704.32 and 4,556,019.84 is: 6,833,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,551.68 : 18,964,704.32 = 4,556,019.84 : x
  2. Step 2: Convert to fraction form
    12,644,551.68/18,964,704.32 = 4,556,019.84/x
  3. Step 3: Cross multiply
    12,644,551.68x = 18,964,704.32 × 4,556,019.84
  4. Step 4: Simplify right side
    12,644,551.68x = 86,403,569,141,653.70
  5. Step 5: Solve for x
    x = 86,403,569,141,653.70/12,644,551.68
  6. Step 6: Final answer
    x = 6,833,264.74

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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.